id sid tid token lemma pos istl-1377 1 1 digital digital ADJ istl-1377 1 2 resources resource NOUN istl-1377 1 3 for for ADP istl-1377 1 4 managing manage VERB istl-1377 1 5 wetlands wetland NOUN istl-1377 1 6 issues issue NOUN istl-1377 1 7 in in ADP istl-1377 1 8 science science NOUN istl-1377 1 9 and and CCONJ istl-1377 1 10 technology technology NOUN istl-1377 1 11 librarianship librarianship NOUN istl-1377 1 12 summer summer NOUN istl-1377 1 13 1997 1997 NUM istl-1377 1 14 doi:10.5062 doi:10.5062 PROPN istl-1377 1 15 / / SYM istl-1377 1 16 f4zp444n f4zp444n NOUN istl-1377 1 17 digital digital ADJ istl-1377 1 18 resources resource NOUN istl-1377 1 19 for for ADP istl-1377 1 20 managing manage VERB istl-1377 1 21 wetlands wetland NOUN istl-1377 1 22 : : PUNCT istl-1377 1 23 the the DET istl-1377 1 24 case case NOUN istl-1377 1 25 of of ADP istl-1377 1 26 playa playa PROPN istl-1377 1 27 lake lake PROPN istl-1377 1 28 research research NOUN istl-1377 1 29 : : PUNCT istl-1377 1 30 a a DET istl-1377 1 31 preliminary preliminary ADJ istl-1377 1 32 report report NOUN istl-1377 1 33 bill bill PROPN istl-1377 1 34 johnson johnson PROPN istl-1377 1 35 marina marina PROPN istl-1377 1 36 oliver oliver PROPN istl-1377 1 37 texas texas PROPN istl-1377 1 38 tech tech PROPN istl-1377 1 39 university university PROPN istl-1377 1 40 introduction introduction NOUN istl-1377 1 41 playa playa NOUN istl-1377 1 42 lakes lake NOUN istl-1377 1 43 are be AUX istl-1377 1 44 a a DET istl-1377 1 45 significant significant ADJ istl-1377 1 46 landform landform NOUN istl-1377 1 47 found find VERB istl-1377 1 48 in in ADP istl-1377 1 49 arid arid ADJ istl-1377 1 50 and and CCONJ istl-1377 1 51 semiarid semiarid NOUN istl-1377 1 52 climates climate NOUN istl-1377 1 53 . . PUNCT istl-1377 2 1 they they PRON istl-1377 2 2 provide provide VERB istl-1377 2 3 water water NOUN istl-1377 2 4 for for ADP istl-1377 2 5 wildlife wildlife NOUN istl-1377 2 6 , , PUNCT istl-1377 2 7 wetlands wetland NOUN istl-1377 2 8 for for ADP istl-1377 2 9 waterfowl waterfowl NOUN istl-1377 2 10 , , PUNCT istl-1377 2 11 flood flood NOUN istl-1377 2 12 control control NOUN istl-1377 2 13 for for ADP istl-1377 2 14 municipalities municipality NOUN istl-1377 2 15 , , PUNCT istl-1377 2 16 and and CCONJ istl-1377 2 17 many many ADJ istl-1377 2 18 yield yield VERB istl-1377 2 19 commercial commercial ADJ istl-1377 2 20 quantities quantity NOUN istl-1377 2 21 of of ADP istl-1377 2 22 evaporite evaporite ADJ istl-1377 2 23 minerals mineral NOUN istl-1377 2 24 . . PUNCT istl-1377 3 1 the the DET istl-1377 3 2 term term NOUN istl-1377 3 3 playa playa NOUN istl-1377 3 4 has have AUX istl-1377 3 5 been be AUX istl-1377 3 6 used use VERB istl-1377 3 7 for for ADP istl-1377 3 8 over over ADP istl-1377 3 9 100 100 NUM istl-1377 3 10 years year NOUN istl-1377 3 11 to to PART istl-1377 3 12 describe describe VERB istl-1377 3 13 the the DET istl-1377 3 14 shallow shallow NOUN istl-1377 3 15 enclosed enclose VERB istl-1377 3 16 flat flat ADJ istl-1377 3 17 basin basin NOUN istl-1377 3 18 of of ADP istl-1377 3 19 a a DET istl-1377 3 20 desert desert NOUN istl-1377 3 21 plain plain NOUN istl-1377 3 22 . . PUNCT istl-1377 4 1 these these DET istl-1377 4 2 basins basin NOUN istl-1377 4 3 flood flood VERB istl-1377 4 4 after after ADP istl-1377 4 5 storms storm NOUN istl-1377 4 6 to to PART istl-1377 4 7 form form VERB istl-1377 4 8 playa playa NOUN istl-1377 4 9 lakes lake NOUN istl-1377 4 10 then then ADV istl-1377 4 11 they they PRON istl-1377 4 12 rapidly rapidly ADV istl-1377 4 13 dry dry VERB istl-1377 4 14 out out ADP istl-1377 4 15 due due ADP istl-1377 4 16 to to ADP istl-1377 4 17 evaporation evaporation NOUN istl-1377 4 18 and and CCONJ istl-1377 4 19 infiltration infiltration NOUN istl-1377 4 20 of of ADP istl-1377 4 21 the the DET istl-1377 4 22 water water NOUN istl-1377 4 23 into into ADP istl-1377 4 24 the the DET istl-1377 4 25 surrounding surround VERB istl-1377 4 26 soil soil NOUN istl-1377 4 27 and and CCONJ istl-1377 4 28 aquifer aquifer NOUN istl-1377 4 29 . . PUNCT istl-1377 5 1 it it PRON istl-1377 5 2 is be AUX istl-1377 5 3 this this DET istl-1377 5 4 infiltration infiltration NOUN istl-1377 5 5 that that PRON istl-1377 5 6 has have AUX istl-1377 5 7 come come VERB istl-1377 5 8 to to PART istl-1377 5 9 play play VERB istl-1377 5 10 a a DET istl-1377 5 11 vital vital ADJ istl-1377 5 12 role role NOUN istl-1377 5 13 in in ADP istl-1377 5 14 playa playa PROPN istl-1377 5 15 lake lake PROPN istl-1377 5 16 research research NOUN istl-1377 5 17 . . PUNCT istl-1377 6 1 when when SCONJ istl-1377 6 2 we we PRON istl-1377 6 3 started start VERB istl-1377 6 4 to to PART istl-1377 6 5 write write VERB istl-1377 6 6 this this DET istl-1377 6 7 introduction introduction NOUN istl-1377 6 8 with with ADP istl-1377 6 9 a a DET istl-1377 6 10 brief brief ADJ istl-1377 6 11 description description NOUN istl-1377 6 12 of of ADP istl-1377 6 13 playa playa NOUN istl-1377 6 14 lakes lake NOUN istl-1377 6 15 we we PRON istl-1377 6 16 found find VERB istl-1377 6 17 that that SCONJ istl-1377 6 18 for for ADP istl-1377 6 19 every every DET istl-1377 6 20 statement statement NOUN istl-1377 6 21 we we PRON istl-1377 6 22 used use VERB istl-1377 6 23 to to PART istl-1377 6 24 describe describe VERB istl-1377 6 25 playas playas NOUN istl-1377 6 26 an an DET istl-1377 6 27 opposite opposite ADJ istl-1377 6 28 and and CCONJ istl-1377 6 29 equally equally ADV istl-1377 6 30 true true ADJ istl-1377 6 31 statement statement NOUN istl-1377 6 32 could could AUX istl-1377 6 33 be be AUX istl-1377 6 34 made make VERB istl-1377 6 35 . . PUNCT istl-1377 7 1 for for ADP istl-1377 7 2 example example NOUN istl-1377 7 3 , , PUNCT istl-1377 7 4 generally generally ADV istl-1377 7 5 , , PUNCT istl-1377 7 6 playas playas NOUN istl-1377 7 7 are be AUX istl-1377 7 8 small small ADJ istl-1377 7 9 round round ADJ istl-1377 7 10 features feature NOUN istl-1377 7 11 however however ADV istl-1377 7 12 , , PUNCT istl-1377 7 13 lake lake NOUN istl-1377 7 14 size size NOUN istl-1377 7 15 can can AUX istl-1377 7 16 range range VERB istl-1377 7 17 from from ADP istl-1377 7 18 less less ADJ istl-1377 7 19 than than ADP istl-1377 7 20 1 1 NUM istl-1377 7 21 km2 km2 PROPN istl-1377 7 22 to to ADP istl-1377 7 23 over over ADP istl-1377 7 24 9000 9000 NUM istl-1377 7 25 km km NOUN istl-1377 7 26 2 2 NUM istl-1377 7 27 as as ADP istl-1377 7 28 in in ADP istl-1377 7 29 the the DET istl-1377 7 30 case case NOUN istl-1377 7 31 of of ADP istl-1377 7 32 lake lake NOUN istl-1377 7 33 eyre eyre NOUN istl-1377 7 34 in in ADP istl-1377 7 35 central central PROPN istl-1377 7 36 australia australia PROPN istl-1377 7 37 . . PUNCT istl-1377 8 1 they they PRON istl-1377 8 2 tend tend VERB istl-1377 8 3 to to PART istl-1377 8 4 be be AUX istl-1377 8 5 shallow shallow ADJ istl-1377 8 6 and and CCONJ istl-1377 8 7 ephemeral ephemeral ADJ istl-1377 8 8 but but CCONJ istl-1377 8 9 , , PUNCT istl-1377 8 10 the the DET istl-1377 8 11 great great ADJ istl-1377 8 12 salt salt NOUN istl-1377 8 13 lake lake NOUN istl-1377 8 14 in in ADP istl-1377 8 15 utah utah PROPN istl-1377 8 16 is be AUX istl-1377 8 17 an an DET istl-1377 8 18 example example NOUN istl-1377 8 19 of of ADP istl-1377 8 20 a a DET istl-1377 8 21 perennial perennial ADJ istl-1377 8 22 playa playa NOUN istl-1377 8 23 lake lake NOUN istl-1377 8 24 . . PUNCT istl-1377 9 1 they they PRON istl-1377 9 2 may may AUX istl-1377 9 3 contain contain VERB istl-1377 9 4 fresh fresh ADJ istl-1377 9 5 water water NOUN istl-1377 9 6 but but CCONJ istl-1377 9 7 many many ADJ istl-1377 9 8 are be AUX istl-1377 9 9 saline saline ADJ istl-1377 9 10 , , PUNCT istl-1377 9 11 so so ADV istl-1377 9 12 much much ADV istl-1377 9 13 so so SCONJ istl-1377 9 14 that that SCONJ istl-1377 9 15 they they PRON istl-1377 9 16 yield yield VERB istl-1377 9 17 appreciable appreciable ADJ istl-1377 9 18 quantities quantity NOUN istl-1377 9 19 of of ADP istl-1377 9 20 evaporite evaporite ADJ istl-1377 9 21 minerals mineral NOUN istl-1377 9 22 such such ADJ istl-1377 9 23 as as ADP istl-1377 9 24 sodium sodium NOUN istl-1377 9 25 chloride chloride NOUN istl-1377 9 26 which which PRON istl-1377 9 27 make make VERB istl-1377 9 28 them they PRON istl-1377 9 29 commercially commercially ADV istl-1377 9 30 attractive attractive ADJ istl-1377 9 31 . . PUNCT istl-1377 10 1 a a DET istl-1377 10 2 " " PUNCT istl-1377 10 3 playa playa NOUN istl-1377 10 4 " " PUNCT istl-1377 10 5 is be AUX istl-1377 10 6 not not PART istl-1377 10 7 always always ADV istl-1377 10 8 a a DET istl-1377 10 9 playa playa NOUN istl-1377 10 10 : : PUNCT istl-1377 10 11 international international PROPN istl-1377 10 12 terminology terminology NOUN istl-1377 10 13 the the DET istl-1377 10 14 term term NOUN istl-1377 10 15 playa playa NOUN istl-1377 10 16 was be AUX istl-1377 10 17 added add VERB istl-1377 10 18 to to ADP istl-1377 10 19 the the DET istl-1377 10 20 eighth eighth ADJ istl-1377 10 21 edition edition NOUN istl-1377 10 22 of of ADP istl-1377 10 23 the the DET istl-1377 10 24 library library NOUN istl-1377 10 25 of of ADP istl-1377 10 26 congress congress PROPN istl-1377 10 27 subject subject PROPN istl-1377 10 28 headings heading NOUN istl-1377 10 29 in in ADP istl-1377 10 30 1975 1975 NUM istl-1377 10 31 . . PUNCT istl-1377 11 1 according accord VERB istl-1377 11 2 to to ADP istl-1377 11 3 lynn lynn PROPN istl-1377 11 4 el el PROPN istl-1377 11 5 - - PUNCT istl-1377 11 6 hoshy hoshy PROPN istl-1377 11 7 , , PUNCT istl-1377 11 8 library library NOUN istl-1377 11 9 of of ADP istl-1377 11 10 congress congress PROPN istl-1377 11 11 cataloging catalog VERB istl-1377 11 12 policy policy NOUN istl-1377 11 13 and and CCONJ istl-1377 11 14 support support NOUN istl-1377 11 15 office office NOUN istl-1377 11 16 , , PUNCT istl-1377 11 17 the the DET istl-1377 11 18 term term NOUN istl-1377 11 19 " " PUNCT istl-1377 11 20 playas playas NOUN istl-1377 11 21 " " PUNCT istl-1377 11 22 was be AUX istl-1377 11 23 proposed propose VERB istl-1377 11 24 as as ADP istl-1377 11 25 a a DET istl-1377 11 26 subject subject NOUN istl-1377 11 27 heading head VERB istl-1377 11 28 with with ADP istl-1377 11 29 the the DET istl-1377 11 30 " " PUNCT istl-1377 11 31 bt bt PROPN istl-1377 11 32 lakes lake NOUN istl-1377 11 33 " " PUNCT istl-1377 11 34 ( ( PUNCT istl-1377 11 35 broader broad ADJ istl-1377 11 36 term term NOUN istl-1377 11 37 ) ) PUNCT istl-1377 11 38 in in ADP istl-1377 11 39 june june PROPN istl-1377 11 40 1973 1973 NUM istl-1377 11 41 . . PUNCT istl-1377 12 1 the the DET istl-1377 12 2 form form NOUN istl-1377 12 3 of of ADP istl-1377 12 4 heading heading NOUN istl-1377 12 5 was be AUX istl-1377 12 6 based base VERB istl-1377 12 7 on on ADP istl-1377 12 8 entries entry NOUN istl-1377 12 9 in in ADP istl-1377 12 10 webster webster PROPN istl-1377 12 11 's 's PART istl-1377 12 12 third third ADJ istl-1377 12 13 new new ADJ istl-1377 12 14 international international ADJ istl-1377 12 15 dictionary dictionary PROPN istl-1377 12 16 , , PUNCT istl-1377 12 17 the the DET istl-1377 12 18 1972 1972 NUM istl-1377 12 19 subject subject NOUN istl-1377 12 20 index index NOUN istl-1377 12 21 to to ADP istl-1377 12 22 water water NOUN istl-1377 12 23 resources resource NOUN istl-1377 12 24 abstracts abstract NOUN istl-1377 12 25 , , PUNCT istl-1377 12 26 and and CCONJ istl-1377 12 27 the the DET istl-1377 12 28 water water NOUN istl-1377 12 29 resources resource NOUN istl-1377 12 30 thesaurus thesaurus NOUN istl-1377 12 31 . . PUNCT istl-1377 13 1 in in ADP istl-1377 13 2 june june PROPN istl-1377 13 3 1974 1974 NUM istl-1377 13 4 , , PUNCT istl-1377 13 5 the the DET istl-1377 13 6 " " PUNCT istl-1377 13 7 uf uf ADJ istl-1377 13 8 playa playa NOUN istl-1377 13 9 lakes lake NOUN istl-1377 13 10 " " PUNCT istl-1377 13 11 ( ( PUNCT istl-1377 13 12 used use VERB istl-1377 13 13 for for ADP istl-1377 13 14 ) ) PUNCT istl-1377 13 15 was be AUX istl-1377 13 16 added add VERB istl-1377 13 17 to to ADP istl-1377 13 18 the the DET istl-1377 13 19 heading heading NOUN istl-1377 13 20 . . PUNCT istl-1377 14 1 since since SCONJ istl-1377 14 2 the the DET istl-1377 14 3 heading heading NOUN istl-1377 14 4 was be AUX istl-1377 14 5 established establish VERB istl-1377 14 6 , , PUNCT istl-1377 14 7 lc lc PROPN istl-1377 14 8 has have AUX istl-1377 14 9 applied apply VERB istl-1377 14 10 it it PRON istl-1377 14 11 to to ADP istl-1377 14 12 only only ADV istl-1377 14 13 19 19 NUM istl-1377 14 14 works work NOUN istl-1377 14 15 in in ADP istl-1377 14 16 its its PRON istl-1377 14 17 bibliographic bibliographic ADJ istl-1377 14 18 database database NOUN istl-1377 14 19 ( ( PUNCT istl-1377 14 20 el el PROPN istl-1377 14 21 - - PUNCT istl-1377 14 22 hoshy hoshy PROPN istl-1377 14 23 , , PUNCT istl-1377 14 24 1997 1997 NUM istl-1377 14 25 ) ) PUNCT istl-1377 14 26 . . PUNCT istl-1377 15 1 despite despite SCONJ istl-1377 15 2 extensive extensive ADJ istl-1377 15 3 research research NOUN istl-1377 15 4 around around ADP istl-1377 15 5 the the DET istl-1377 15 6 world world NOUN istl-1377 15 7 suggesting suggest VERB istl-1377 15 8 the the DET istl-1377 15 9 need need NOUN istl-1377 15 10 for for ADP istl-1377 15 11 greater great ADJ istl-1377 15 12 accuracy accuracy NOUN istl-1377 15 13 and and CCONJ istl-1377 15 14 detail detail NOUN istl-1377 15 15 in in ADP istl-1377 15 16 the the DET istl-1377 15 17 headings heading NOUN istl-1377 15 18 used use VERB istl-1377 15 19 to to PART istl-1377 15 20 describe describe VERB istl-1377 15 21 playa playa NOUN istl-1377 15 22 lakes lake NOUN istl-1377 15 23 , , PUNCT istl-1377 15 24 no no DET istl-1377 15 25 changes change NOUN istl-1377 15 26 have have AUX istl-1377 15 27 been be AUX istl-1377 15 28 made make VERB istl-1377 15 29 for for ADP istl-1377 15 30 over over ADP istl-1377 15 31 twenty twenty NUM istl-1377 15 32 years year NOUN istl-1377 15 33 . . PUNCT istl-1377 16 1 library library NOUN istl-1377 16 2 of of ADP istl-1377 16 3 congress congress PROPN istl-1377 16 4 subject subject PROPN istl-1377 16 5 headings heading NOUN istl-1377 16 6 only only ADV istl-1377 16 7 permit permit VERB istl-1377 16 8 a a DET istl-1377 16 9 finer finer ADJ istl-1377 16 10 classification classification NOUN istl-1377 16 11 based base VERB istl-1377 16 12 on on ADP istl-1377 16 13 geography geography NOUN istl-1377 16 14 . . PUNCT istl-1377 17 1 yet yet CCONJ istl-1377 17 2 a a DET istl-1377 17 3 playa playa NOUN istl-1377 17 4 may may AUX istl-1377 17 5 be be AUX istl-1377 17 6 wet wet ADJ istl-1377 17 7 or or CCONJ istl-1377 17 8 dry dry ADJ istl-1377 17 9 , , PUNCT istl-1377 17 10 fresh fresh ADJ istl-1377 17 11 or or CCONJ istl-1377 17 12 saline saline NOUN istl-1377 17 13 , , PUNCT istl-1377 17 14 large large ADJ istl-1377 17 15 or or CCONJ istl-1377 17 16 small small ADJ istl-1377 17 17 , , PUNCT istl-1377 17 18 natural natural ADJ istl-1377 17 19 or or CCONJ istl-1377 17 20 artificial artificial ADJ istl-1377 17 21 ( ( PUNCT istl-1377 17 22 figures figure NOUN istl-1377 17 23 1 1 NUM istl-1377 17 24 & & CCONJ istl-1377 17 25 2 2 NUM istl-1377 17 26 ) ) PUNCT istl-1377 17 27 . . PUNCT istl-1377 18 1 thus thus ADV istl-1377 18 2 , , PUNCT istl-1377 18 3 the the DET istl-1377 18 4 term term NOUN istl-1377 18 5 playa playa NOUN istl-1377 18 6 by by ADP istl-1377 18 7 itself itself PRON istl-1377 18 8 is be AUX istl-1377 18 9 grossly grossly ADV istl-1377 18 10 inadequate inadequate ADJ istl-1377 18 11 to to PART istl-1377 18 12 describe describe VERB istl-1377 18 13 these these DET istl-1377 18 14 wetland wetland PROPN istl-1377 18 15 systems system NOUN istl-1377 18 16 . . PUNCT istl-1377 19 1 as as SCONJ istl-1377 19 2 research research NOUN istl-1377 19 3 continues continue VERB istl-1377 19 4 to to PART istl-1377 19 5 expand expand VERB istl-1377 19 6 , , PUNCT istl-1377 19 7 there there PRON istl-1377 19 8 will will AUX istl-1377 19 9 be be AUX istl-1377 19 10 a a DET istl-1377 19 11 corresponding correspond VERB istl-1377 19 12 growth growth NOUN istl-1377 19 13 in in ADP istl-1377 19 14 the the DET istl-1377 19 15 need need NOUN istl-1377 19 16 for for ADP istl-1377 19 17 a a DET istl-1377 19 18 more more ADV istl-1377 19 19 precise precise ADJ istl-1377 19 20 vocabulary vocabulary NOUN istl-1377 19 21 describing describe VERB istl-1377 19 22 these these DET istl-1377 19 23 depressional depressional ADJ istl-1377 19 24 wetlands wetland NOUN istl-1377 19 25 . . PUNCT istl-1377 20 1 international international ADJ istl-1377 20 2 parallels parallel NOUN istl-1377 20 3 as as ADV istl-1377 20 4 well well ADV istl-1377 20 5 as as ADP istl-1377 20 6 distinctions distinction NOUN istl-1377 20 7 suggest suggest VERB istl-1377 20 8 the the DET istl-1377 20 9 modification modification NOUN istl-1377 20 10 of of ADP istl-1377 20 11 the the DET istl-1377 20 12 subject subject ADJ istl-1377 20 13 headings heading NOUN istl-1377 20 14 for for ADP istl-1377 20 15 playas playas NOUN istl-1377 20 16 into into ADP istl-1377 20 17 a a DET istl-1377 20 18 hierarchical hierarchical ADJ istl-1377 20 19 structure structure NOUN istl-1377 20 20 encompassing encompass VERB istl-1377 20 21 the the DET istl-1377 20 22 many many ADJ istl-1377 20 23 physical physical ADJ istl-1377 20 24 and and CCONJ istl-1377 20 25 biological biological ADJ istl-1377 20 26 variables variable NOUN istl-1377 20 27 encountered encounter VERB istl-1377 20 28 in in ADP istl-1377 20 29 the the DET istl-1377 20 30 real real ADJ istl-1377 20 31 world world NOUN istl-1377 20 32 . . PUNCT istl-1377 21 1 using use VERB istl-1377 21 2 the the DET istl-1377 21 3 term term NOUN istl-1377 21 4 playa playa NOUN istl-1377 21 5 to to PART istl-1377 21 6 describe describe VERB istl-1377 21 7 a a DET istl-1377 21 8 depressional depressional ADJ istl-1377 21 9 wetland wetland NOUN istl-1377 21 10 is be AUX istl-1377 21 11 like like ADP istl-1377 21 12 calling call VERB istl-1377 21 13 every every DET istl-1377 21 14 automobile automobile NOUN istl-1377 21 15 on on ADP istl-1377 21 16 the the DET istl-1377 21 17 road road NOUN istl-1377 21 18 a a DET istl-1377 21 19 car car NOUN istl-1377 21 20 . . PUNCT istl-1377 22 1 use use NOUN istl-1377 22 2 of of ADP istl-1377 22 3 such such ADJ istl-1377 22 4 generic generic ADJ istl-1377 22 5 terms term NOUN istl-1377 22 6 is be AUX istl-1377 22 7 understandable understandable ADJ istl-1377 22 8 informally informally ADV istl-1377 22 9 , , PUNCT istl-1377 22 10 yet yet CCONJ istl-1377 22 11 in in ADP istl-1377 22 12 the the DET istl-1377 22 13 relatively relatively ADV istl-1377 22 14 precise precise ADJ istl-1377 22 15 language language NOUN istl-1377 22 16 of of ADP istl-1377 22 17 science science NOUN istl-1377 22 18 , , PUNCT istl-1377 22 19 such such ADJ istl-1377 22 20 general general ADJ istl-1377 22 21 references reference NOUN istl-1377 22 22 are be AUX istl-1377 22 23 at at ADP istl-1377 22 24 best well ADV istl-1377 22 25 inadequate inadequate ADJ istl-1377 22 26 and and CCONJ istl-1377 22 27 at at ADP istl-1377 22 28 worst worst ADV istl-1377 22 29 confusing confusing ADJ istl-1377 22 30 . . PUNCT istl-1377 23 1 figure figure NOUN istl-1377 23 2 1 1 NUM istl-1377 23 3 : : PUNCT istl-1377 23 4 rural rural ADJ istl-1377 23 5 saline saline NOUN istl-1377 23 6 playa playa NOUN istl-1377 23 7 , , PUNCT istl-1377 23 8 upper upper PROPN istl-1377 23 9 paul paul PROPN istl-1377 23 10 's 's PART istl-1377 23 11 lake lake NOUN istl-1377 23 12 , , PUNCT istl-1377 23 13 west west PROPN istl-1377 23 14 texas texas PROPN istl-1377 23 15 . . PUNCT istl-1377 24 1 different different ADJ istl-1377 24 2 regions region NOUN istl-1377 24 3 of of ADP istl-1377 24 4 the the DET istl-1377 24 5 world world NOUN istl-1377 24 6 have have VERB istl-1377 24 7 their their PRON istl-1377 24 8 own own ADJ istl-1377 24 9 word word NOUN istl-1377 24 10 for for ADP istl-1377 24 11 playa playa NOUN istl-1377 24 12 , , PUNCT istl-1377 24 13 the the DET istl-1377 24 14 australians australian NOUN istl-1377 24 15 use use VERB istl-1377 24 16 the the DET istl-1377 24 17 terms term NOUN istl-1377 24 18 " " PUNCT istl-1377 24 19 pan pan NOUN istl-1377 24 20 " " PUNCT istl-1377 24 21 and and CCONJ istl-1377 24 22 " " PUNCT istl-1377 24 23 salt salt NOUN istl-1377 24 24 pan pan NOUN istl-1377 24 25 " " PUNCT istl-1377 24 26 . . PUNCT istl-1377 25 1 in in ADP istl-1377 25 2 the the DET istl-1377 25 3 middle middle PROPN istl-1377 25 4 east east PROPN istl-1377 25 5 a a DET istl-1377 25 6 playa playa NOUN istl-1377 25 7 may may AUX istl-1377 25 8 be be AUX istl-1377 25 9 called call VERB istl-1377 25 10 a a DET istl-1377 25 11 " " PUNCT istl-1377 25 12 sabkha sabkha ADJ istl-1377 25 13 " " PUNCT istl-1377 25 14 or or CCONJ istl-1377 25 15 a a DET istl-1377 25 16 " " PUNCT istl-1377 25 17 qa qa PROPN istl-1377 25 18 " " PUNCT istl-1377 25 19 . . PUNCT istl-1377 26 1 the the DET istl-1377 26 2 south south PROPN istl-1377 26 3 americans americans PROPN istl-1377 26 4 use use VERB istl-1377 26 5 the the DET istl-1377 26 6 term term NOUN istl-1377 26 7 " " PUNCT istl-1377 26 8 salar salar NOUN istl-1377 26 9 " " PUNCT istl-1377 26 10 while while SCONJ istl-1377 26 11 " " PUNCT istl-1377 26 12 chotts chotts PROPN istl-1377 26 13 " " PUNCT istl-1377 26 14 are be AUX istl-1377 26 15 found find VERB istl-1377 26 16 in in ADP istl-1377 26 17 africa africa PROPN istl-1377 26 18 . . PUNCT istl-1377 27 1 other other ADJ istl-1377 27 2 terms term NOUN istl-1377 27 3 that that PRON istl-1377 27 4 often often ADV istl-1377 27 5 appear appear VERB istl-1377 27 6 in in ADP istl-1377 27 7 the the DET istl-1377 27 8 literature literature NOUN istl-1377 27 9 are be AUX istl-1377 27 10 " " PUNCT istl-1377 27 11 salt salt NOUN istl-1377 27 12 flat flat NOUN istl-1377 27 13 " " PUNCT istl-1377 27 14 , , PUNCT istl-1377 27 15 " " PUNCT istl-1377 27 16 alkali alkali ADJ istl-1377 27 17 flat flat ADJ istl-1377 27 18 " " PUNCT istl-1377 27 19 and and CCONJ istl-1377 27 20 " " PUNCT istl-1377 27 21 salina salina PROPN istl-1377 27 22 " " PUNCT istl-1377 27 23 . . PUNCT istl-1377 28 1 although although SCONJ istl-1377 28 2 , , PUNCT istl-1377 28 3 in in ADP istl-1377 28 4 the the DET istl-1377 28 5 literature literature NOUN istl-1377 28 6 , , PUNCT istl-1377 28 7 all all DET istl-1377 28 8 these these DET istl-1377 28 9 terms term NOUN istl-1377 28 10 are be AUX istl-1377 28 11 used use VERB istl-1377 28 12 synonymously synonymously ADV istl-1377 28 13 with with ADP istl-1377 28 14 the the DET istl-1377 28 15 word word NOUN istl-1377 28 16 playa playa NOUN istl-1377 28 17 they they PRON istl-1377 28 18 do do AUX istl-1377 28 19 not not PART istl-1377 28 20 necessarily necessarily ADV istl-1377 28 21 represent represent VERB istl-1377 28 22 identical identical ADJ istl-1377 28 23 geological geological ADJ istl-1377 28 24 or or CCONJ istl-1377 28 25 biological biological ADJ istl-1377 28 26 settings setting NOUN istl-1377 28 27 . . PUNCT istl-1377 29 1 therefore therefore ADV istl-1377 29 2 , , PUNCT istl-1377 29 3 it it PRON istl-1377 29 4 may may AUX istl-1377 29 5 be be AUX istl-1377 29 6 better well ADJ istl-1377 29 7 to to PART istl-1377 29 8 think think VERB istl-1377 29 9 of of ADP istl-1377 29 10 the the DET istl-1377 29 11 word word NOUN istl-1377 29 12 playa playa NOUN istl-1377 29 13 as as ADP istl-1377 29 14 a a DET istl-1377 29 15 generic generic ADJ istl-1377 29 16 term term NOUN istl-1377 29 17 for for ADP istl-1377 29 18 a a DET istl-1377 29 19 variety variety NOUN istl-1377 29 20 of of ADP istl-1377 29 21 topographic topographic ADJ istl-1377 29 22 depressions depression NOUN istl-1377 29 23 that that PRON istl-1377 29 24 occur occur VERB istl-1377 29 25 in in ADP istl-1377 29 26 arid arid ADJ istl-1377 29 27 and and CCONJ istl-1377 29 28 semiarid semiarid NOUN istl-1377 29 29 climates climate NOUN istl-1377 29 30 ( ( PUNCT istl-1377 29 31 neal neal NOUN istl-1377 29 32 , , PUNCT istl-1377 29 33 1975 1975 NUM istl-1377 29 34 ) ) PUNCT istl-1377 29 35 . . PUNCT istl-1377 30 1 figure figure VERB istl-1377 30 2 2 2 NUM istl-1377 30 3 : : PUNCT istl-1377 30 4 urban urban ADJ istl-1377 30 5 freshwater freshwater NOUN istl-1377 30 6 playa playa PROPN istl-1377 30 7 , , PUNCT istl-1377 30 8 jack jack PROPN istl-1377 30 9 stevens stevens PROPN istl-1377 30 10 park park PROPN istl-1377 30 11 , , PUNCT istl-1377 30 12 lubbock lubbock PROPN istl-1377 30 13 , , PUNCT istl-1377 30 14 texas texas PROPN istl-1377 30 15 . . PUNCT istl-1377 31 1 playa playa NOUN istl-1377 31 2 research research NOUN istl-1377 31 3 is be AUX istl-1377 31 4 most most ADV istl-1377 31 5 active active ADJ istl-1377 31 6 in in ADP istl-1377 31 7 north north PROPN istl-1377 31 8 america america PROPN istl-1377 31 9 and and CCONJ istl-1377 31 10 concentrated concentrate VERB istl-1377 31 11 in in ADP istl-1377 31 12 the the DET istl-1377 31 13 southern southern ADJ istl-1377 31 14 high high ADJ istl-1377 31 15 plains plain NOUN istl-1377 31 16 of of ADP istl-1377 31 17 west west PROPN istl-1377 31 18 texas texas PROPN istl-1377 31 19 . . PUNCT istl-1377 32 1 yet yet ADV istl-1377 32 2 , , PUNCT istl-1377 32 3 just just ADV istl-1377 32 4 as as SCONJ istl-1377 32 5 depressional depressional ADJ istl-1377 32 6 wetlands wetland NOUN istl-1377 32 7 occur occur VERB istl-1377 32 8 around around ADP istl-1377 32 9 the the DET istl-1377 32 10 world world NOUN istl-1377 32 11 , , PUNCT istl-1377 32 12 so so ADV istl-1377 32 13 too too ADV istl-1377 32 14 does do VERB istl-1377 32 15 the the DET istl-1377 32 16 body body NOUN istl-1377 32 17 of of ADP istl-1377 32 18 researchers researcher NOUN istl-1377 32 19 studying study VERB istl-1377 32 20 these these DET istl-1377 32 21 interesting interesting ADJ istl-1377 32 22 ecosystems ecosystem NOUN istl-1377 32 23 . . PUNCT istl-1377 33 1 typically typically ADV istl-1377 33 2 , , PUNCT istl-1377 33 3 these these DET istl-1377 33 4 studies study NOUN istl-1377 33 5 investigate investigate VERB istl-1377 33 6 physical physical ADJ istl-1377 33 7 systems system NOUN istl-1377 33 8 such such ADJ istl-1377 33 9 as as ADP istl-1377 33 10 chemistry chemistry NOUN istl-1377 33 11 , , PUNCT istl-1377 33 12 geology geology NOUN istl-1377 33 13 , , PUNCT istl-1377 33 14 soils soil NOUN istl-1377 33 15 , , PUNCT istl-1377 33 16 hydrology hydrology NOUN istl-1377 33 17 , , PUNCT istl-1377 33 18 and and CCONJ istl-1377 33 19 mineralogy mineralogy NOUN istl-1377 33 20 . . PUNCT istl-1377 34 1 a a DET istl-1377 34 2 handful handful NOUN istl-1377 34 3 of of ADP istl-1377 34 4 investigators investigator NOUN istl-1377 34 5 have have AUX istl-1377 34 6 also also ADV istl-1377 34 7 probed probe VERB istl-1377 34 8 the the DET istl-1377 34 9 living living NOUN istl-1377 34 10 systems system NOUN istl-1377 34 11 of of ADP istl-1377 34 12 playa playa NOUN istl-1377 34 13 lakes lake NOUN istl-1377 34 14 with with ADP istl-1377 34 15 an an DET istl-1377 34 16 emphasis emphasis NOUN istl-1377 34 17 on on ADP istl-1377 34 18 macrophytes macrophyte NOUN istl-1377 34 19 and and CCONJ istl-1377 34 20 invertebrates invertebrate NOUN istl-1377 34 21 . . PUNCT istl-1377 35 1 much much ADJ istl-1377 35 2 of of ADP istl-1377 35 3 the the DET istl-1377 35 4 work work NOUN istl-1377 35 5 in in ADP istl-1377 35 6 north north PROPN istl-1377 35 7 america america PROPN istl-1377 35 8 , , PUNCT istl-1377 35 9 in in ADP istl-1377 35 10 contrast contrast NOUN istl-1377 35 11 , , PUNCT istl-1377 35 12 has have AUX istl-1377 35 13 involved involve VERB istl-1377 35 14 vertebrates vertebrate NOUN istl-1377 35 15 , , PUNCT istl-1377 35 16 primarily primarily ADV istl-1377 35 17 waterfowl waterfowl VERB istl-1377 35 18 . . PUNCT istl-1377 36 1 biological biological ADJ istl-1377 36 2 studies study NOUN istl-1377 36 3 have have AUX istl-1377 36 4 been be AUX istl-1377 36 5 done do VERB istl-1377 36 6 in in ADP istl-1377 36 7 spain spain PROPN istl-1377 36 8 , , PUNCT istl-1377 36 9 south south PROPN istl-1377 36 10 america america PROPN istl-1377 36 11 , , PUNCT istl-1377 36 12 australia australia PROPN istl-1377 36 13 , , PUNCT istl-1377 36 14 and and CCONJ istl-1377 36 15 africa africa PROPN istl-1377 36 16 . . PUNCT istl-1377 37 1 frequently frequently ADV istl-1377 37 2 , , PUNCT istl-1377 37 3 playas playas NOUN istl-1377 37 4 in in ADP istl-1377 37 5 these these DET istl-1377 37 6 reports report NOUN istl-1377 37 7 are be AUX istl-1377 37 8 saline saline ADJ istl-1377 37 9 lakes lake NOUN istl-1377 37 10 which which PRON istl-1377 37 11 again again ADV istl-1377 37 12 is be AUX istl-1377 37 13 very very ADV istl-1377 37 14 different different ADJ istl-1377 37 15 from from ADP istl-1377 37 16 much much ADJ istl-1377 37 17 of of ADP istl-1377 37 18 the the DET istl-1377 37 19 work work NOUN istl-1377 37 20 conducted conduct VERB istl-1377 37 21 in in ADP istl-1377 37 22 north north PROPN istl-1377 37 23 america america PROPN istl-1377 37 24 , , PUNCT istl-1377 37 25 which which PRON istl-1377 37 26 focuses focus VERB istl-1377 37 27 on on ADP istl-1377 37 28 freshwater freshwater NOUN istl-1377 37 29 playas playas NOUN istl-1377 37 30 . . PUNCT istl-1377 38 1 in in ADP istl-1377 38 2 a a DET istl-1377 38 3 study study NOUN istl-1377 38 4 by by ADP istl-1377 38 5 smith smith PROPN istl-1377 38 6 into into ADP istl-1377 38 7 saharan saharan PROPN istl-1377 38 8 playas playas NOUN istl-1377 38 9 , , PUNCT istl-1377 38 10 he he PRON istl-1377 38 11 found find VERB istl-1377 38 12 a a DET istl-1377 38 13 number number NOUN istl-1377 38 14 of of ADP istl-1377 38 15 superficial superficial ADJ istl-1377 38 16 similarities similarity NOUN istl-1377 38 17 between between ADP istl-1377 38 18 those those DET istl-1377 38 19 playas playas NOUN istl-1377 38 20 and and CCONJ istl-1377 38 21 the the DET istl-1377 38 22 playas playas NOUN istl-1377 38 23 of of ADP istl-1377 38 24 north north PROPN istl-1377 38 25 america america PROPN istl-1377 38 26 , , PUNCT istl-1377 38 27 but but CCONJ istl-1377 38 28 he he PRON istl-1377 38 29 found find VERB istl-1377 38 30 greater great ADJ istl-1377 38 31 differences difference NOUN istl-1377 38 32 ( ( PUNCT istl-1377 38 33 smith smith PROPN istl-1377 38 34 , , PUNCT istl-1377 38 35 1970 1970 NUM istl-1377 38 36 ) ) PUNCT istl-1377 38 37 . . PUNCT istl-1377 39 1 this this PRON istl-1377 39 2 further far ADV istl-1377 39 3 suggests suggest VERB istl-1377 39 4 the the DET istl-1377 39 5 need need NOUN istl-1377 39 6 for for ADP istl-1377 39 7 reevaluating reevaluate VERB istl-1377 39 8 the the DET istl-1377 39 9 use use NOUN istl-1377 39 10 of of ADP istl-1377 39 11 the the DET istl-1377 39 12 term term NOUN istl-1377 39 13 " " PUNCT istl-1377 39 14 playa playa NOUN istl-1377 39 15 " " PUNCT istl-1377 39 16 in in ADP istl-1377 39 17 scientific scientific ADJ istl-1377 39 18 research research NOUN istl-1377 39 19 . . PUNCT istl-1377 40 1 history history NOUN istl-1377 40 2 of of ADP istl-1377 40 3 local local ADJ istl-1377 40 4 research research NOUN istl-1377 40 5 the the DET istl-1377 40 6 llano llano PROPN istl-1377 40 7 estacado estacado PROPN istl-1377 40 8 region region NOUN istl-1377 40 9 of of ADP istl-1377 40 10 west west PROPN istl-1377 40 11 texas texas PROPN istl-1377 40 12 , , PUNCT istl-1377 40 13 ( ( PUNCT istl-1377 40 14 also also ADV istl-1377 40 15 known know VERB istl-1377 40 16 as as ADP istl-1377 40 17 the the DET istl-1377 40 18 southern southern ADJ istl-1377 40 19 high high ADJ istl-1377 40 20 plains plain NOUN istl-1377 40 21 ) ) PUNCT istl-1377 40 22 is be AUX istl-1377 40 23 in in ADP istl-1377 40 24 a a DET istl-1377 40 25 semi semi ADJ istl-1377 40 26 arid arid ADJ istl-1377 40 27 environment environment NOUN istl-1377 40 28 ( ( PUNCT istl-1377 40 29 figure figure NOUN istl-1377 40 30 3 3 NUM istl-1377 40 31 ) ) PUNCT istl-1377 40 32 . . PUNCT istl-1377 41 1 reportedly reportedly ADV istl-1377 41 2 , , PUNCT istl-1377 41 3 this this DET istl-1377 41 4 area area NOUN istl-1377 41 5 is be AUX istl-1377 41 6 the the DET istl-1377 41 7 largest large ADJ istl-1377 41 8 nonmountainous nonmountainous ADJ istl-1377 41 9 land land NOUN istl-1377 41 10 formation formation NOUN istl-1377 41 11 in in ADP istl-1377 41 12 north north PROPN istl-1377 41 13 america america PROPN istl-1377 41 14 . . PUNCT istl-1377 42 1 scientists scientist NOUN istl-1377 42 2 estimate estimate VERB istl-1377 42 3 that that SCONJ istl-1377 42 4 there there PRON istl-1377 42 5 are be VERB istl-1377 42 6 over over ADP istl-1377 42 7 17,000 17,000 NUM istl-1377 42 8 playas playas NOUN istl-1377 42 9 on on ADP istl-1377 42 10 the the DET istl-1377 42 11 south south ADJ istl-1377 42 12 plains plain NOUN istl-1377 42 13 . . PUNCT istl-1377 43 1 it it PRON istl-1377 43 2 is be AUX istl-1377 43 3 the the DET istl-1377 43 4 presence presence NOUN istl-1377 43 5 of of ADP istl-1377 43 6 these these DET istl-1377 43 7 playa playa NOUN istl-1377 43 8 lakes lake NOUN istl-1377 43 9 that that PRON istl-1377 43 10 have have AUX istl-1377 43 11 played play VERB istl-1377 43 12 a a DET istl-1377 43 13 crucial crucial ADJ istl-1377 43 14 role role NOUN istl-1377 43 15 in in ADP istl-1377 43 16 the the DET istl-1377 43 17 settling settling NOUN istl-1377 43 18 of of ADP istl-1377 43 19 the the DET istl-1377 43 20 llano llano PROPN istl-1377 43 21 estacado estacado PROPN istl-1377 43 22 . . PUNCT istl-1377 44 1 the the DET istl-1377 44 2 first first ADJ istl-1377 44 3 written write VERB istl-1377 44 4 observations observation NOUN istl-1377 44 5 of of ADP istl-1377 44 6 the the DET istl-1377 44 7 playas playas NOUN istl-1377 44 8 in in ADP istl-1377 44 9 this this DET istl-1377 44 10 region region NOUN istl-1377 44 11 were be AUX istl-1377 44 12 from from ADP istl-1377 44 13 coronado coronado PROPN istl-1377 44 14 's 's PART istl-1377 44 15 expedition expedition NOUN istl-1377 44 16 in in ADP istl-1377 44 17 which which PRON istl-1377 44 18 pedro pedro PROPN istl-1377 44 19 de de X istl-1377 44 20 castaneda castaneda PROPN istl-1377 44 21 wrote write VERB istl-1377 44 22 " " PUNCT istl-1377 44 23 ... ... PUNCT istl-1377 44 24 they they PRON istl-1377 44 25 were be AUX istl-1377 44 26 round round ADJ istl-1377 44 27 as as ADP istl-1377 44 28 plates plate NOUN istl-1377 44 29 , , PUNCT istl-1377 44 30 a a DET istl-1377 44 31 stones stone NOUN istl-1377 44 32 throw throw VERB istl-1377 44 33 across across ADV istl-1377 44 34 , , PUNCT istl-1377 44 35 some some DET istl-1377 44 36 fresh fresh ADJ istl-1377 44 37 and and CCONJ istl-1377 44 38 some some DET istl-1377 44 39 salt salt NOUN istl-1377 44 40 … … PUNCT istl-1377 44 41 " " PUNCT istl-1377 44 42 ( ( PUNCT istl-1377 44 43 murrah murrah PROPN istl-1377 44 44 , , PUNCT istl-1377 44 45 1994 1994 NUM istl-1377 44 46 ) ) PUNCT istl-1377 44 47 . . PUNCT istl-1377 45 1 figure figure VERB istl-1377 45 2 3 3 NUM istl-1377 45 3 : : PUNCT istl-1377 45 4 map map NOUN istl-1377 45 5 of of ADP istl-1377 45 6 the the DET istl-1377 45 7 llano llano PROPN istl-1377 45 8 estacado estacado PROPN istl-1377 45 9 . . PUNCT istl-1377 46 1 later later ADV istl-1377 46 2 , , PUNCT istl-1377 46 3 during during ADP istl-1377 46 4 the the DET istl-1377 46 5 early early ADJ istl-1377 46 6 1800 1800 NUM istl-1377 46 7 's 's PART istl-1377 46 8 the the DET istl-1377 46 9 united united PROPN istl-1377 46 10 states states PROPN istl-1377 46 11 government government NOUN istl-1377 46 12 sent send VERB istl-1377 46 13 expeditions expedition NOUN istl-1377 46 14 to to PART istl-1377 46 15 explore explore VERB istl-1377 46 16 the the DET istl-1377 46 17 territory territory NOUN istl-1377 46 18 but but CCONJ istl-1377 46 19 the the DET istl-1377 46 20 first first ADJ istl-1377 46 21 written write VERB istl-1377 46 22 reports report NOUN istl-1377 46 23 sent send VERB istl-1377 46 24 back back ADV istl-1377 46 25 to to ADP istl-1377 46 26 washington washington PROPN istl-1377 46 27 described describe VERB istl-1377 46 28 the the DET istl-1377 46 29 region region NOUN istl-1377 46 30 as as ADP istl-1377 46 31 desolate desolate ADJ istl-1377 46 32 with with ADP istl-1377 46 33 little little ADJ istl-1377 46 34 water water NOUN istl-1377 46 35 and and CCONJ istl-1377 46 36 uninhabitable uninhabitable ADJ istl-1377 46 37 . . PUNCT istl-1377 47 1 however however ADV istl-1377 47 2 , , PUNCT istl-1377 47 3 this this PRON istl-1377 47 4 was be AUX istl-1377 47 5 not not PART istl-1377 47 6 true true ADJ istl-1377 47 7 , , PUNCT istl-1377 47 8 the the DET istl-1377 47 9 soldiers soldier NOUN istl-1377 47 10 just just ADV istl-1377 47 11 did do AUX istl-1377 47 12 n't not PART istl-1377 47 13 know know VERB istl-1377 47 14 where where SCONJ istl-1377 47 15 to to PART istl-1377 47 16 look look VERB istl-1377 47 17 . . PUNCT istl-1377 48 1 the the DET istl-1377 48 2 comancheros comanchero NOUN istl-1377 48 3 had have AUX istl-1377 48 4 been be AUX istl-1377 48 5 using use VERB istl-1377 48 6 the the DET istl-1377 48 7 playa playa NOUN istl-1377 48 8 lakes lake NOUN istl-1377 48 9 along along ADP istl-1377 48 10 their their PRON istl-1377 48 11 trade trade NOUN istl-1377 48 12 routes route NOUN istl-1377 48 13 as as ADP istl-1377 48 14 a a DET istl-1377 48 15 source source NOUN istl-1377 48 16 of of ADP istl-1377 48 17 water water NOUN istl-1377 48 18 for for ADP istl-1377 48 19 years year NOUN istl-1377 48 20 . . PUNCT istl-1377 49 1 then then ADV istl-1377 49 2 , , PUNCT istl-1377 49 3 in in ADP istl-1377 49 4 1872 1872 NUM istl-1377 49 5 col col PROPN istl-1377 49 6 . . PROPN istl-1377 49 7 ranald ranald PROPN istl-1377 49 8 mackenzie mackenzie PROPN istl-1377 49 9 , , PUNCT istl-1377 49 10 utilizing utilize VERB istl-1377 49 11 information information NOUN istl-1377 49 12 furnished furnish VERB istl-1377 49 13 by by ADP istl-1377 49 14 a a DET istl-1377 49 15 captured capture VERB istl-1377 49 16 camanchero camanchero NOUN istl-1377 49 17 , , PUNCT istl-1377 49 18 reported report VERB istl-1377 49 19 that that SCONJ istl-1377 49 20 the the DET istl-1377 49 21 playas playas NOUN istl-1377 49 22 and and CCONJ istl-1377 49 23 rivers river NOUN istl-1377 49 24 in in ADP istl-1377 49 25 this this DET istl-1377 49 26 area area NOUN istl-1377 49 27 furnished furnish VERB istl-1377 49 28 plenty plenty NOUN istl-1377 49 29 of of ADP istl-1377 49 30 water water NOUN istl-1377 49 31 , , PUNCT istl-1377 49 32 enough enough ADJ istl-1377 49 33 to to PART istl-1377 49 34 sustain sustain VERB istl-1377 49 35 the the DET istl-1377 49 36 natives native NOUN istl-1377 49 37 already already ADV istl-1377 49 38 living live VERB istl-1377 49 39 in in ADP istl-1377 49 40 the the DET istl-1377 49 41 region region NOUN istl-1377 49 42 . . PUNCT istl-1377 50 1 it it PRON istl-1377 50 2 was be AUX istl-1377 50 3 soon soon ADV istl-1377 50 4 after after ADP istl-1377 50 5 this this PRON istl-1377 50 6 that that PRON istl-1377 50 7 ranchers rancher NOUN istl-1377 50 8 and and CCONJ istl-1377 50 9 farmers farmer NOUN istl-1377 50 10 arrived arrive VERB istl-1377 50 11 on on ADP istl-1377 50 12 the the DET istl-1377 50 13 south south ADJ istl-1377 50 14 plains plain NOUN istl-1377 50 15 utilizing utilize VERB istl-1377 50 16 the the DET istl-1377 50 17 playas playas NOUN istl-1377 50 18 in in ADP istl-1377 50 19 their their PRON istl-1377 50 20 agricultural agricultural ADJ istl-1377 50 21 practices practice NOUN istl-1377 50 22 . . PUNCT istl-1377 51 1 since since SCONJ istl-1377 51 2 then then ADV istl-1377 51 3 playa playa NOUN istl-1377 51 4 lakes lake NOUN istl-1377 51 5 have have AUX istl-1377 51 6 continued continue VERB istl-1377 51 7 to to PART istl-1377 51 8 be be AUX istl-1377 51 9 a a DET istl-1377 51 10 subject subject NOUN istl-1377 51 11 of of ADP istl-1377 51 12 scientific scientific ADJ istl-1377 51 13 research research NOUN istl-1377 51 14 . . PUNCT istl-1377 52 1 one one NUM istl-1377 52 2 of of ADP istl-1377 52 3 the the DET istl-1377 52 4 earliest early ADJ istl-1377 52 5 investigators investigator NOUN istl-1377 52 6 was be AUX istl-1377 52 7 i.c i.c PROPN istl-1377 52 8 . . PUNCT istl-1377 52 9 russell russell PROPN istl-1377 52 10 , , PUNCT istl-1377 52 11 who who PRON istl-1377 52 12 in in ADP istl-1377 52 13 1883 1883 NUM istl-1377 52 14 he he PRON istl-1377 52 15 wrote write VERB istl-1377 52 16 an an DET istl-1377 52 17 article article NOUN istl-1377 52 18 for for ADP istl-1377 52 19 popular popular ADJ istl-1377 52 20 science science NOUN istl-1377 52 21 monthly monthly ADV istl-1377 52 22 entitled entitle VERB istl-1377 52 23 " " PUNCT istl-1377 52 24 playas playas NOUN istl-1377 52 25 and and CCONJ istl-1377 52 26 playa playa NOUN istl-1377 52 27 lakes lake NOUN istl-1377 52 28 " " PUNCT istl-1377 52 29 . . PUNCT istl-1377 53 1 it it PRON istl-1377 53 2 was be AUX istl-1377 53 3 only only ADV istl-1377 53 4 six six NUM istl-1377 53 5 pages page NOUN istl-1377 53 6 long long ADJ istl-1377 53 7 but but CCONJ istl-1377 53 8 is be AUX istl-1377 53 9 one one NUM istl-1377 53 10 of of ADP istl-1377 53 11 the the DET istl-1377 53 12 earliest early ADJ istl-1377 53 13 published publish VERB istl-1377 53 14 works work NOUN istl-1377 53 15 on on ADP istl-1377 53 16 playa playa NOUN istl-1377 53 17 lakes lakes PROPN istl-1377 53 18 . . PUNCT istl-1377 54 1 russell russell PROPN istl-1377 54 2 continued continue VERB istl-1377 54 3 his his PRON istl-1377 54 4 investigations investigation NOUN istl-1377 54 5 , , PUNCT istl-1377 54 6 this this DET istl-1377 54 7 time time NOUN istl-1377 54 8 for for ADP istl-1377 54 9 the the DET istl-1377 54 10 united united PROPN istl-1377 54 11 states states PROPN istl-1377 54 12 geological geological ADJ istl-1377 54 13 survey survey NOUN istl-1377 54 14 ( ( PUNCT istl-1377 54 15 usgs usgs PROPN istl-1377 54 16 ) ) PUNCT istl-1377 54 17 and and CCONJ istl-1377 54 18 in in ADP istl-1377 54 19 1885 1885 NUM istl-1377 54 20 wrote write VERB istl-1377 54 21 the the DET istl-1377 54 22 " " PUNCT istl-1377 54 23 geological geological ADJ istl-1377 54 24 history history NOUN istl-1377 54 25 of of ADP istl-1377 54 26 lake lake PROPN istl-1377 54 27 lahontan lahontan PROPN istl-1377 54 28 , , PUNCT istl-1377 54 29 a a DET istl-1377 54 30 quaternary quaternary ADJ istl-1377 54 31 lake lake NOUN istl-1377 54 32 of of ADP istl-1377 54 33 northwestern northwestern PROPN istl-1377 54 34 nevada nevada PROPN istl-1377 54 35 " " PUNCT istl-1377 54 36 . . PUNCT istl-1377 55 1 he he PRON istl-1377 55 2 pursued pursue VERB istl-1377 55 3 playa playa PROPN istl-1377 55 4 lake lake NOUN istl-1377 55 5 research research NOUN istl-1377 55 6 with with ADP istl-1377 55 7 investigations investigation NOUN istl-1377 55 8 for for ADP istl-1377 55 9 the the DET istl-1377 55 10 usgs usgs NOUN istl-1377 55 11 and and CCONJ istl-1377 55 12 continued continue VERB istl-1377 55 13 to to PART istl-1377 55 14 publish publish VERB istl-1377 55 15 until until ADP istl-1377 55 16 the the DET istl-1377 55 17 early early ADJ istl-1377 55 18 1900 1900 NUM istl-1377 55 19 's 's PART istl-1377 55 20 . . PUNCT istl-1377 56 1 another another DET istl-1377 56 2 early early ADJ istl-1377 56 3 investigator investigator NOUN istl-1377 56 4 g.k g.k PROPN istl-1377 56 5 . . PROPN istl-1377 56 6 gilbert gilbert PROPN istl-1377 56 7 also also ADV istl-1377 56 8 working work VERB istl-1377 56 9 for for ADP istl-1377 56 10 the the DET istl-1377 56 11 usgs usgs NOUN istl-1377 56 12 published publish VERB istl-1377 56 13 " " PUNCT istl-1377 56 14 lake lake NOUN istl-1377 56 15 bonneville bonneville NOUN istl-1377 56 16 " " PUNCT istl-1377 56 17 in in ADP istl-1377 56 18 1890 1890 NUM istl-1377 56 19 . . PUNCT istl-1377 57 1 nonetheless nonetheless ADV istl-1377 57 2 , , PUNCT istl-1377 57 3 further further ADJ istl-1377 57 4 interest interest NOUN istl-1377 57 5 in in ADP istl-1377 57 6 playa playa NOUN istl-1377 57 7 research research NOUN istl-1377 57 8 waned wane VERB istl-1377 57 9 and and CCONJ istl-1377 57 10 publications publication NOUN istl-1377 57 11 appeared appear VERB istl-1377 57 12 only only ADV istl-1377 57 13 sporadically sporadically ADV istl-1377 57 14 over over ADP istl-1377 57 15 the the DET istl-1377 57 16 next next ADJ istl-1377 57 17 60 60 NUM istl-1377 57 18 years year NOUN istl-1377 57 19 . . PUNCT istl-1377 58 1 it it PRON istl-1377 58 2 was be AUX istl-1377 58 3 n't not PART istl-1377 58 4 until until SCONJ istl-1377 58 5 the the DET istl-1377 58 6 1960 1960 NUM istl-1377 58 7 's 's PART istl-1377 58 8 that that SCONJ istl-1377 58 9 interest interest NOUN istl-1377 58 10 began begin VERB istl-1377 58 11 to to PART istl-1377 58 12 increase increase VERB istl-1377 58 13 . . PUNCT istl-1377 59 1 throughout throughout ADP istl-1377 59 2 the the DET istl-1377 59 3 years year NOUN istl-1377 59 4 that that PRON istl-1377 59 5 followed follow VERB istl-1377 59 6 , , PUNCT istl-1377 59 7 the the DET istl-1377 59 8 research research NOUN istl-1377 59 9 became become VERB istl-1377 59 10 increasingly increasingly ADV istl-1377 59 11 specialized specialized ADJ istl-1377 59 12 and and CCONJ istl-1377 59 13 interdisciplinary interdisciplinary NOUN istl-1377 59 14 . . PUNCT istl-1377 60 1 papers paper NOUN istl-1377 60 2 presented present VERB istl-1377 60 3 at at ADP istl-1377 60 4 the the DET istl-1377 60 5 1970 1970 NUM istl-1377 60 6 and and CCONJ istl-1377 60 7 1994 1994 NUM istl-1377 60 8 playa playa NOUN istl-1377 60 9 basin basin NOUN istl-1377 60 10 symposiums symposium NOUN istl-1377 60 11 at at ADP istl-1377 60 12 texas texas PROPN istl-1377 60 13 tech tech PROPN istl-1377 60 14 university university PROPN istl-1377 60 15 illustrate illustrate VERB istl-1377 60 16 the the DET istl-1377 60 17 broad broad ADJ istl-1377 60 18 scope scope NOUN istl-1377 60 19 of of ADP istl-1377 60 20 current current ADJ istl-1377 60 21 playa playa NOUN istl-1377 60 22 research research NOUN istl-1377 60 23 . . PUNCT istl-1377 61 1 some some PRON istl-1377 61 2 of of ADP istl-1377 61 3 the the DET istl-1377 61 4 topics topic NOUN istl-1377 61 5 discussed discuss VERB istl-1377 61 6 were be AUX istl-1377 61 7 : : PUNCT istl-1377 61 8 playa playa PROPN istl-1377 61 9 basin basin PROPN istl-1377 61 10 origin origin NOUN istl-1377 61 11 , , PUNCT istl-1377 61 12 history history NOUN istl-1377 61 13 , , PUNCT istl-1377 61 14 aquifer aquifer ADJ istl-1377 61 15 recharge recharge VERB istl-1377 61 16 , , PUNCT istl-1377 61 17 water water NOUN istl-1377 61 18 quality quality NOUN istl-1377 61 19 , , PUNCT istl-1377 61 20 economic economic ADJ istl-1377 61 21 / / SYM istl-1377 61 22 environmental environmental ADJ istl-1377 61 23 considerations consideration NOUN istl-1377 61 24 , , PUNCT istl-1377 61 25 management management NOUN istl-1377 61 26 , , PUNCT istl-1377 61 27 playa playa NOUN istl-1377 61 28 modification modification NOUN istl-1377 61 29 , , PUNCT istl-1377 61 30 wetlands wetland NOUN istl-1377 61 31 and and CCONJ istl-1377 61 32 federal federal ADJ istl-1377 61 33 regulations regulation NOUN istl-1377 61 34 . . PUNCT istl-1377 62 1 research research NOUN istl-1377 62 2 within within ADP istl-1377 62 3 these these DET istl-1377 62 4 areas area NOUN istl-1377 62 5 includes include VERB istl-1377 62 6 the the DET istl-1377 62 7 work work NOUN istl-1377 62 8 of of ADP istl-1377 62 9 geologists geologist NOUN istl-1377 62 10 , , PUNCT istl-1377 62 11 soil soil NOUN istl-1377 62 12 scientists scientist NOUN istl-1377 62 13 , , PUNCT istl-1377 62 14 hydrologists hydrologist NOUN istl-1377 62 15 , , PUNCT istl-1377 62 16 range range NOUN istl-1377 62 17 and and CCONJ istl-1377 62 18 wildlife wildlife NOUN istl-1377 62 19 biologists biologist NOUN istl-1377 62 20 , , PUNCT istl-1377 62 21 agriculture agriculture NOUN istl-1377 62 22 scientists scientist NOUN istl-1377 62 23 , , PUNCT istl-1377 62 24 and and CCONJ istl-1377 62 25 historians historian NOUN istl-1377 62 26 . . PUNCT istl-1377 63 1 due due ADP istl-1377 63 2 to to ADP istl-1377 63 3 the the DET istl-1377 63 4 trend trend NOUN istl-1377 63 5 of of ADP istl-1377 63 6 increasing increase VERB istl-1377 63 7 regulations regulation NOUN istl-1377 63 8 over over ADP istl-1377 63 9 wetlands wetland NOUN istl-1377 63 10 , , PUNCT istl-1377 63 11 future future ADJ istl-1377 63 12 symposia symposia PROPN istl-1377 63 13 may may AUX istl-1377 63 14 also also ADV istl-1377 63 15 include include VERB istl-1377 63 16 lawyers lawyer NOUN istl-1377 63 17 . . PUNCT istl-1377 64 1 perhaps perhaps ADV istl-1377 64 2 the the DET istl-1377 64 3 most most ADV istl-1377 64 4 significant significant ADJ istl-1377 64 5 contribution contribution NOUN istl-1377 64 6 to to ADP istl-1377 64 7 playa playa PROPN istl-1377 64 8 lake lake PROPN istl-1377 64 9 research research NOUN istl-1377 64 10 has have AUX istl-1377 64 11 been be AUX istl-1377 64 12 made make VERB istl-1377 64 13 by by ADP istl-1377 64 14 geologist geologist PROPN istl-1377 64 15 c.c c.c PROPN istl-1377 64 16 . . PUNCT istl-1377 65 1 " " PUNCT istl-1377 65 2 tex tex PROPN istl-1377 65 3 " " PUNCT istl-1377 65 4 reeves reeve NOUN istl-1377 65 5 , , PUNCT istl-1377 65 6 ph.d ph.d PROPN istl-1377 65 7 . . PUNCT istl-1377 66 1 reeves reeve NOUN istl-1377 66 2 began begin VERB istl-1377 66 3 studying study VERB istl-1377 66 4 playa playa NOUN istl-1377 66 5 lakes lake NOUN istl-1377 66 6 in in ADP istl-1377 66 7 1958 1958 NUM istl-1377 66 8 when when SCONJ istl-1377 66 9 he he PRON istl-1377 66 10 was be AUX istl-1377 66 11 told tell VERB istl-1377 66 12 they they PRON istl-1377 66 13 were be AUX istl-1377 66 14 formed form VERB istl-1377 66 15 by by ADP istl-1377 66 16 buffalo buffalo NOUN istl-1377 66 17 and and CCONJ istl-1377 66 18 he he PRON istl-1377 66 19 did do AUX istl-1377 66 20 n't not PART istl-1377 66 21 quite quite ADV istl-1377 66 22 believe believe VERB istl-1377 66 23 it it PRON istl-1377 66 24 . . PUNCT istl-1377 67 1 his his PRON istl-1377 67 2 skepticism skepticism NOUN istl-1377 67 3 has have AUX istl-1377 67 4 led lead VERB istl-1377 67 5 to to ADP istl-1377 67 6 the the DET istl-1377 67 7 publication publication NOUN istl-1377 67 8 of of ADP istl-1377 67 9 seven seven NUM istl-1377 67 10 books book NOUN istl-1377 67 11 and and CCONJ istl-1377 67 12 countless countless ADJ istl-1377 67 13 articles article NOUN istl-1377 67 14 . . PUNCT istl-1377 68 1 when when SCONJ istl-1377 68 2 asked ask VERB istl-1377 68 3 to to PART istl-1377 68 4 discuss discuss VERB istl-1377 68 5 the the DET istl-1377 68 6 significance significance NOUN istl-1377 68 7 of of ADP istl-1377 68 8 his his PRON istl-1377 68 9 contribution contribution NOUN istl-1377 68 10 to to ADP istl-1377 68 11 playa playa NOUN istl-1377 68 12 research research NOUN istl-1377 68 13 reeves reeve NOUN istl-1377 68 14 replied reply VERB istl-1377 68 15 , , PUNCT istl-1377 68 16 " " PUNCT istl-1377 68 17 when when SCONJ istl-1377 68 18 i i PRON istl-1377 68 19 started start VERB istl-1377 68 20 in in ADP istl-1377 68 21 playa playa NOUN istl-1377 68 22 research research NOUN istl-1377 68 23 there there ADV istl-1377 68 24 , , PUNCT istl-1377 68 25 were be AUX istl-1377 68 26 no no DET istl-1377 68 27 funds fund NOUN istl-1377 68 28 available available ADJ istl-1377 68 29 , , PUNCT istl-1377 68 30 there there PRON istl-1377 68 31 was be VERB istl-1377 68 32 no no DET istl-1377 68 33 interest interest NOUN istl-1377 68 34 , , PUNCT istl-1377 68 35 and and CCONJ istl-1377 68 36 there there PRON istl-1377 68 37 was be VERB istl-1377 68 38 very very ADV istl-1377 68 39 little little ADJ istl-1377 68 40 data datum NOUN istl-1377 68 41 in in ADP istl-1377 68 42 the the DET istl-1377 68 43 literature literature NOUN istl-1377 68 44 . . PUNCT istl-1377 69 1 in in ADP istl-1377 69 2 fact fact NOUN istl-1377 69 3 , , PUNCT istl-1377 69 4 local local ADJ istl-1377 69 5 farmers farmer NOUN istl-1377 69 6 ( ( PUNCT istl-1377 69 7 with with ADP istl-1377 69 8 the the DET istl-1377 69 9 exception exception NOUN istl-1377 69 10 of of ADP istl-1377 69 11 a a DET istl-1377 69 12 few few ADJ istl-1377 69 13 dedicated dedicated ADJ istl-1377 69 14 investigators investigator NOUN istl-1377 69 15 at at ADP istl-1377 69 16 local local ADJ istl-1377 69 17 water water NOUN istl-1377 69 18 districts district NOUN istl-1377 69 19 ) ) PUNCT istl-1377 69 20 knew know VERB istl-1377 69 21 more more ADJ istl-1377 69 22 about about ADP istl-1377 69 23 the the DET istl-1377 69 24 host host NOUN istl-1377 69 25 rocks rock NOUN istl-1377 69 26 ( ( PUNCT istl-1377 69 27 ogallala ogallala NOUN istl-1377 69 28 section section NOUN istl-1377 69 29 ) ) PUNCT istl-1377 69 30 than than SCONJ istl-1377 69 31 did do VERB istl-1377 69 32 local local ADJ istl-1377 69 33 geologists geologist NOUN istl-1377 69 34 . . PUNCT istl-1377 70 1 my my PRON istl-1377 70 2 early early ADJ istl-1377 70 3 studies study NOUN istl-1377 70 4 , , PUNCT istl-1377 70 5 resulting result VERB istl-1377 70 6 in in ADP istl-1377 70 7 the the DET istl-1377 70 8 book book NOUN istl-1377 70 9 paleolimnology paleolimnology NOUN istl-1377 70 10 ( ( PUNCT istl-1377 70 11 1968 1968 NUM istl-1377 70 12 ) ) PUNCT istl-1377 70 13 , , PUNCT istl-1377 70 14 focused focus VERB istl-1377 70 15 attention attention NOUN istl-1377 70 16 on on ADP istl-1377 70 17 the the DET istl-1377 70 18 playas playas NOUN istl-1377 70 19 and and CCONJ istl-1377 70 20 lake lake NOUN istl-1377 70 21 basins basin NOUN istl-1377 70 22 of of ADP istl-1377 70 23 the the DET istl-1377 70 24 southern southern ADJ istl-1377 70 25 high high ADJ istl-1377 70 26 plains plain NOUN istl-1377 70 27 as as ADV istl-1377 70 28 well well ADV istl-1377 70 29 as as ADP istl-1377 70 30 those those PRON istl-1377 70 31 of of ADP istl-1377 70 32 other other ADJ istl-1377 70 33 continents continent NOUN istl-1377 70 34 ( ( PUNCT istl-1377 70 35 africa africa PROPN istl-1377 70 36 and and CCONJ istl-1377 70 37 australia australia PROPN istl-1377 70 38 ) ) PUNCT istl-1377 70 39 . . PUNCT istl-1377 70 40 " " PUNCT istl-1377 71 1 reeves reeve NOUN istl-1377 71 2 expects expect VERB istl-1377 71 3 that that SCONJ istl-1377 71 4 , , PUNCT istl-1377 71 5 from from ADP istl-1377 71 6 a a DET istl-1377 71 7 geologic geologic ADJ istl-1377 71 8 standpoint standpoint NOUN istl-1377 71 9 , , PUNCT istl-1377 71 10 future future ADJ istl-1377 71 11 research research NOUN istl-1377 71 12 will will AUX istl-1377 71 13 focus focus VERB istl-1377 71 14 on on ADP istl-1377 71 15 : : PUNCT istl-1377 71 16 the the DET istl-1377 71 17 refinement refinement NOUN istl-1377 71 18 of of ADP istl-1377 71 19 dating date VERB istl-1377 71 20 techniques technique NOUN istl-1377 71 21 , , PUNCT istl-1377 71 22 further further ADJ istl-1377 71 23 documentation documentation NOUN istl-1377 71 24 of of ADP istl-1377 71 25 various various ADJ istl-1377 71 26 genetic genetic ADJ istl-1377 71 27 types type NOUN istl-1377 71 28 , , PUNCT istl-1377 71 29 morphologic morphologic ADJ istl-1377 71 30 and and CCONJ istl-1377 71 31 depositional depositional ADJ istl-1377 71 32 responses response NOUN istl-1377 71 33 of of ADP istl-1377 71 34 the the DET istl-1377 71 35 lakes lake NOUN istl-1377 71 36 to to ADP istl-1377 71 37 climatic climatic ADJ istl-1377 71 38 changes change NOUN istl-1377 71 39 , , PUNCT istl-1377 71 40 morphologic morphologic ADJ istl-1377 71 41 changes change NOUN istl-1377 71 42 in in ADP istl-1377 71 43 playa playa NOUN istl-1377 71 44 lakes lake NOUN istl-1377 71 45 with with ADP istl-1377 71 46 time time NOUN istl-1377 71 47 , , PUNCT istl-1377 71 48 factors factor NOUN istl-1377 71 49 controlling control VERB istl-1377 71 50 specific specific ADJ istl-1377 71 51 locations location NOUN istl-1377 71 52 , , PUNCT istl-1377 71 53 the the DET istl-1377 71 54 influence influence NOUN istl-1377 71 55 of of ADP istl-1377 71 56 regional regional ADJ istl-1377 71 57 structure structure NOUN istl-1377 71 58 , , PUNCT istl-1377 71 59 the the DET istl-1377 71 60 relationship relationship NOUN istl-1377 71 61 of of ADP istl-1377 71 62 incipient incipient ADJ istl-1377 71 63 playa playa NOUN istl-1377 71 64 basins basin NOUN istl-1377 71 65 to to ADP istl-1377 71 66 large large ADJ istl-1377 71 67 playa playa NOUN istl-1377 71 68 lakes lake NOUN istl-1377 71 69 , , PUNCT istl-1377 71 70 and and CCONJ istl-1377 71 71 the the DET istl-1377 71 72 relationship relationship NOUN istl-1377 71 73 of of ADP istl-1377 71 74 playa playa NOUN istl-1377 71 75 basins basin NOUN istl-1377 71 76 to to ADP istl-1377 71 77 large large ADJ istl-1377 71 78 alkaline alkaline PROPN istl-1377 71 79 lake lake NOUN istl-1377 71 80 basins basin NOUN istl-1377 71 81 ( ( PUNCT istl-1377 71 82 reeves reeve NOUN istl-1377 71 83 , , PUNCT istl-1377 71 84 c.c c.c PROPN istl-1377 71 85 . . PROPN istl-1377 71 86 , , PUNCT istl-1377 71 87 1997 1997 NUM istl-1377 71 88 ) ) PUNCT istl-1377 71 89 . . PUNCT istl-1377 72 1 in in ADP istl-1377 72 2 reeves reeve NOUN istl-1377 72 3 recent recent ADJ istl-1377 72 4 book book NOUN istl-1377 72 5 , , PUNCT istl-1377 72 6 the the DET istl-1377 72 7 ogallala ogallala NOUN istl-1377 72 8 aquifer aquifer NOUN istl-1377 72 9 of of ADP istl-1377 72 10 the the DET istl-1377 72 11 southern southern ADJ istl-1377 72 12 high high ADJ istl-1377 72 13 plains plain NOUN istl-1377 72 14 he he PRON istl-1377 72 15 estimates estimate VERB istl-1377 72 16 the the DET istl-1377 72 17 number number NOUN istl-1377 72 18 of of ADP istl-1377 72 19 playa playa NOUN istl-1377 72 20 lakes lake NOUN istl-1377 72 21 on on ADP istl-1377 72 22 the the DET istl-1377 72 23 llano llano NOUN istl-1377 72 24 estacado estacado NOUN istl-1377 72 25 between between ADP istl-1377 72 26 17,000 17,000 NUM istl-1377 72 27 and and CCONJ istl-1377 72 28 37,000 37,000 NUM istl-1377 72 29 with with ADP istl-1377 72 30 40 40 NUM istl-1377 72 31 + + ADJ istl-1377 72 32 larger large ADJ istl-1377 72 33 saline saline NOUN istl-1377 72 34 lakes lake NOUN istl-1377 72 35 ( ( PUNCT istl-1377 72 36 reeves reeve NOUN istl-1377 72 37 and and CCONJ istl-1377 72 38 reeves reeve NOUN istl-1377 72 39 , , PUNCT istl-1377 72 40 1996 1996 NUM istl-1377 72 41 ) ) PUNCT istl-1377 72 42 . . PUNCT istl-1377 73 1 these these DET istl-1377 73 2 playas playas NOUN istl-1377 73 3 sit sit VERB istl-1377 73 4 on on ADP istl-1377 73 5 top top NOUN istl-1377 73 6 of of ADP istl-1377 73 7 the the DET istl-1377 73 8 southern southern ADJ istl-1377 73 9 portion portion NOUN istl-1377 73 10 of of ADP istl-1377 73 11 the the DET istl-1377 73 12 ogallala ogallala NOUN istl-1377 73 13 aquifer aquifer NOUN istl-1377 73 14 , , PUNCT istl-1377 73 15 one one NUM istl-1377 73 16 of of ADP istl-1377 73 17 the the DET istl-1377 73 18 largest large ADJ istl-1377 73 19 aquifers aquifer NOUN istl-1377 73 20 in in ADP istl-1377 73 21 the the DET istl-1377 73 22 united united PROPN istl-1377 73 23 states states PROPN istl-1377 73 24 ( ( PUNCT istl-1377 73 25 figure figure NOUN istl-1377 73 26 4 4 NUM istl-1377 73 27 ) ) PUNCT istl-1377 73 28 . . PUNCT istl-1377 74 1 clearly clearly ADV istl-1377 74 2 with with ADP istl-1377 74 3 so so ADV istl-1377 74 4 many many ADJ istl-1377 74 5 playas playas NOUN istl-1377 74 6 in in ADP istl-1377 74 7 this this DET istl-1377 74 8 region region NOUN istl-1377 74 9 , , PUNCT istl-1377 74 10 determination determination NOUN istl-1377 74 11 of of ADP istl-1377 74 12 infiltration infiltration NOUN istl-1377 74 13 rates rate NOUN istl-1377 74 14 ( ( PUNCT istl-1377 74 15 aquifer aquifer ADJ istl-1377 74 16 recharge recharge NOUN istl-1377 74 17 ) ) PUNCT istl-1377 74 18 is be AUX istl-1377 74 19 crucial crucial ADJ istl-1377 74 20 . . PUNCT istl-1377 75 1 figure figure NOUN istl-1377 75 2 4 4 NUM istl-1377 75 3 : : PUNCT istl-1377 75 4 map map NOUN istl-1377 75 5 of of ADP istl-1377 75 6 the the DET istl-1377 75 7 ogallala ogallala NOUN istl-1377 75 8 acquifer acquifer NOUN istl-1377 75 9 ( ( PUNCT istl-1377 75 10 mattox mattox NOUN istl-1377 75 11 and and CCONJ istl-1377 75 12 miller miller NOUN istl-1377 75 13 1970 1970 NUM istl-1377 75 14 ) ) PUNCT istl-1377 75 15 . . PUNCT istl-1377 76 1 for for ADP istl-1377 76 2 years year NOUN istl-1377 76 3 scientists scientist NOUN istl-1377 76 4 have have AUX istl-1377 76 5 spent spend VERB istl-1377 76 6 time time NOUN istl-1377 76 7 and and CCONJ istl-1377 76 8 money money NOUN istl-1377 76 9 trying try VERB istl-1377 76 10 to to PART istl-1377 76 11 determine determine VERB istl-1377 76 12 the the DET istl-1377 76 13 rate rate NOUN istl-1377 76 14 of of ADP istl-1377 76 15 recharge recharge NOUN istl-1377 76 16 from from ADP istl-1377 76 17 playa playa NOUN istl-1377 76 18 lakes lake NOUN istl-1377 76 19 into into ADP istl-1377 76 20 the the DET istl-1377 76 21 underlying underlying ADJ istl-1377 76 22 aquifer aquifer NOUN istl-1377 76 23 . . PUNCT istl-1377 77 1 with with ADP istl-1377 77 2 water water NOUN istl-1377 77 3 being be AUX istl-1377 77 4 a a DET istl-1377 77 5 valuable valuable ADJ istl-1377 77 6 commodity commodity NOUN istl-1377 77 7 in in ADP istl-1377 77 8 semi semi ADJ istl-1377 77 9 arid arid ADJ istl-1377 77 10 and and CCONJ istl-1377 77 11 arid arid ADJ istl-1377 77 12 regions region NOUN istl-1377 77 13 , , PUNCT istl-1377 77 14 the the DET istl-1377 77 15 rate rate NOUN istl-1377 77 16 of of ADP istl-1377 77 17 infiltration infiltration NOUN istl-1377 77 18 is be AUX istl-1377 77 19 a a DET istl-1377 77 20 vital vital ADJ istl-1377 77 21 component component NOUN istl-1377 77 22 in in ADP istl-1377 77 23 the the DET istl-1377 77 24 overall overall ADJ istl-1377 77 25 groundwater groundwater NOUN istl-1377 77 26 budget budget NOUN istl-1377 77 27 . . PUNCT istl-1377 78 1 however however ADV istl-1377 78 2 , , PUNCT istl-1377 78 3 geologist geologist PROPN istl-1377 78 4 judy judy PROPN istl-1377 78 5 reeves reeve NOUN istl-1377 78 6 ph.d ph.d PROPN istl-1377 78 7 . . PROPN istl-1377 78 8 , , PUNCT istl-1377 78 9 co co NOUN istl-1377 78 10 - - NOUN istl-1377 78 11 author author NOUN istl-1377 78 12 of of ADP istl-1377 78 13 the the DET istl-1377 78 14 ogallala ogallala NOUN istl-1377 78 15 aquifer aquifer NOUN istl-1377 78 16 of of ADP istl-1377 78 17 the the DET istl-1377 78 18 southern southern ADJ istl-1377 78 19 high high ADJ istl-1377 78 20 plains plain NOUN istl-1377 78 21 , , PUNCT istl-1377 78 22 feels feel VERB istl-1377 78 23 this this DET istl-1377 78 24 pursuit pursuit NOUN istl-1377 78 25 to to PART istl-1377 78 26 determine determine VERB istl-1377 78 27 a a DET istl-1377 78 28 rate rate NOUN istl-1377 78 29 of of ADP istl-1377 78 30 recharge recharge NOUN istl-1377 78 31 has have AUX istl-1377 78 32 been be AUX istl-1377 78 33 illusive illusive ADJ istl-1377 78 34 at at ADP istl-1377 78 35 best well ADV istl-1377 78 36 . . PUNCT istl-1377 79 1 she she PRON istl-1377 79 2 believes believe VERB istl-1377 79 3 that that SCONJ istl-1377 79 4 , , PUNCT istl-1377 79 5 " " PUNCT istl-1377 79 6 the the DET istl-1377 79 7 future future NOUN istl-1377 79 8 of of ADP istl-1377 79 9 playa playa PROPN istl-1377 79 10 lake lake PROPN istl-1377 79 11 research research NOUN istl-1377 79 12 does do AUX istl-1377 79 13 not not PART istl-1377 79 14 lie lie VERB istl-1377 79 15 in in ADP istl-1377 79 16 the the DET istl-1377 79 17 investigation investigation NOUN istl-1377 79 18 of of ADP istl-1377 79 19 individual individual ADJ istl-1377 79 20 playas playas NOUN istl-1377 79 21 and and CCONJ istl-1377 79 22 that that PRON istl-1377 79 23 recharge recharge VERB istl-1377 79 24 values value NOUN istl-1377 79 25 that that PRON istl-1377 79 26 are be AUX istl-1377 79 27 representative representative ADJ istl-1377 79 28 of of ADP istl-1377 79 29 a a DET istl-1377 79 30 " " PUNCT istl-1377 79 31 type type NOUN istl-1377 79 32 area area NOUN istl-1377 79 33 " " PUNCT istl-1377 79 34 will will AUX istl-1377 79 35 come come VERB istl-1377 79 36 from from ADP istl-1377 79 37 comprehensive comprehensive ADJ istl-1377 79 38 studies study NOUN istl-1377 79 39 of of ADP istl-1377 79 40 the the DET istl-1377 79 41 ogallala ogallala NOUN istl-1377 79 42 aquifer aquifer NOUN istl-1377 79 43 that that PRON istl-1377 79 44 will will AUX istl-1377 79 45 combine combine VERB istl-1377 79 46 all all PRON istl-1377 79 47 of of ADP istl-1377 79 48 the the DET istl-1377 79 49 critical critical ADJ istl-1377 79 50 data datum NOUN istl-1377 79 51 that that PRON istl-1377 79 52 affects affect VERB istl-1377 79 53 recharge recharge VERB istl-1377 79 54 on on ADP istl-1377 79 55 the the DET istl-1377 79 56 southern southern ADJ istl-1377 79 57 high high ADJ istl-1377 79 58 plains plain NOUN istl-1377 79 59 " " PUNCT istl-1377 79 60 . . PUNCT istl-1377 80 1 j. j. PROPN istl-1377 80 2 reeves reeve NOUN istl-1377 80 3 has have VERB istl-1377 80 4 no no DET istl-1377 80 5 doubt doubt NOUN istl-1377 80 6 that that SCONJ istl-1377 80 7 the the DET istl-1377 80 8 playas playas NOUN istl-1377 80 9 and and CCONJ istl-1377 80 10 the the DET istl-1377 80 11 ogallala ogallala NOUN istl-1377 80 12 aquifer aquifer NOUN istl-1377 80 13 are be AUX istl-1377 80 14 the the DET istl-1377 80 15 most most ADV istl-1377 80 16 important important ADJ istl-1377 80 17 geologic geologic ADJ istl-1377 80 18 features feature NOUN istl-1377 80 19 on on ADP istl-1377 80 20 the the DET istl-1377 80 21 southern southern ADJ istl-1377 80 22 high high ADJ istl-1377 80 23 plains plain NOUN istl-1377 80 24 and and CCONJ istl-1377 80 25 feels feel VERB istl-1377 80 26 that that SCONJ istl-1377 80 27 you you PRON istl-1377 80 28 ca can AUX istl-1377 80 29 n't not PART istl-1377 80 30 investigate investigate VERB istl-1377 80 31 the the DET istl-1377 80 32 one one NOUN istl-1377 80 33 without without ADP istl-1377 80 34 investigating investigate VERB istl-1377 80 35 the the DET istl-1377 80 36 other other ADJ istl-1377 80 37 ( ( PUNCT istl-1377 80 38 reeves reeve NOUN istl-1377 80 39 , , PUNCT istl-1377 80 40 j. j. PROPN istl-1377 80 41 , , PUNCT istl-1377 80 42 1997 1997 NUM istl-1377 80 43 ) ) PUNCT istl-1377 80 44 . . PUNCT istl-1377 81 1 that that PRON istl-1377 81 2 is be AUX istl-1377 81 3 why why SCONJ istl-1377 81 4 the the DET istl-1377 81 5 ogallala ogallala NOUN istl-1377 81 6 and and CCONJ istl-1377 81 7 playas playas NOUN istl-1377 81 8 in in ADP istl-1377 81 9 this this DET istl-1377 81 10 area area NOUN istl-1377 81 11 of of ADP istl-1377 81 12 texas texas PROPN istl-1377 81 13 are be AUX istl-1377 81 14 some some PRON istl-1377 81 15 of of ADP istl-1377 81 16 the the DET istl-1377 81 17 most most ADV istl-1377 81 18 studied study VERB istl-1377 81 19 in in ADP istl-1377 81 20 the the DET istl-1377 81 21 world world NOUN istl-1377 81 22 . . PUNCT istl-1377 82 1 david david PROPN istl-1377 82 2 houkos houkos PROPN istl-1377 82 3 ph.d ph.d PROPN istl-1377 82 4 . . PUNCT istl-1377 83 1 a a DET istl-1377 83 2 wildlife wildlife NOUN istl-1377 83 3 biologist biologist NOUN istl-1377 83 4 at at ADP istl-1377 83 5 texas texas PROPN istl-1377 83 6 tech tech PROPN istl-1377 83 7 , , PUNCT istl-1377 83 8 has have AUX istl-1377 83 9 worked work VERB istl-1377 83 10 on on ADP istl-1377 83 11 the the DET istl-1377 83 12 applied apply VERB istl-1377 83 13 side side NOUN istl-1377 83 14 of of ADP istl-1377 83 15 playa playa NOUN istl-1377 83 16 research research NOUN istl-1377 83 17 since since SCONJ istl-1377 83 18 1989 1989 NUM istl-1377 83 19 when when SCONJ istl-1377 83 20 he he PRON istl-1377 83 21 began begin VERB istl-1377 83 22 doctoral doctoral ADJ istl-1377 83 23 work work NOUN istl-1377 83 24 on on ADP istl-1377 83 25 a a DET istl-1377 83 26 management management NOUN istl-1377 83 27 scheme scheme NOUN istl-1377 83 28 to to PART istl-1377 83 29 manipulate manipulate VERB istl-1377 83 30 playa playa NOUN istl-1377 83 31 vegetation vegetation NOUN istl-1377 83 32 to to PART istl-1377 83 33 enhance enhance VERB istl-1377 83 34 wildlife wildlife NOUN istl-1377 83 35 habitat habitat NOUN istl-1377 83 36 ( ( PUNCT istl-1377 83 37 haukos haukos PROPN istl-1377 83 38 1991 1991 NUM istl-1377 83 39 ) ) PUNCT istl-1377 83 40 . . PUNCT istl-1377 84 1 he he PRON istl-1377 84 2 describes describe VERB istl-1377 84 3 playas playas NOUN istl-1377 84 4 as as ADP istl-1377 84 5 relatively relatively ADV istl-1377 84 6 simple simple ADJ istl-1377 84 7 systems system NOUN istl-1377 84 8 , , PUNCT istl-1377 84 9 yet yet CCONJ istl-1377 84 10 a a DET istl-1377 84 11 fundamental fundamental ADJ istl-1377 84 12 understanding understanding NOUN istl-1377 84 13 of of ADP istl-1377 84 14 their their PRON istl-1377 84 15 ecology ecology NOUN istl-1377 84 16 is be AUX istl-1377 84 17 some some PRON istl-1377 84 18 twenty twenty NUM istl-1377 84 19 years year NOUN istl-1377 84 20 behind behind ADP istl-1377 84 21 similar similar ADJ istl-1377 84 22 systems system NOUN istl-1377 84 23 such such ADJ istl-1377 84 24 as as ADP istl-1377 84 25 the the DET istl-1377 84 26 prairie prairie ADJ istl-1377 84 27 potholes pothole NOUN istl-1377 84 28 . . PUNCT istl-1377 85 1 for for ADP istl-1377 85 2 example example NOUN istl-1377 85 3 , , PUNCT istl-1377 85 4 " " PUNCT istl-1377 85 5 managing manage VERB istl-1377 85 6 the the DET istl-1377 85 7 vegetation vegetation NOUN istl-1377 85 8 of of ADP istl-1377 85 9 these these DET istl-1377 85 10 lakes lake NOUN istl-1377 85 11 for for ADP istl-1377 85 12 maximum maximum ADJ istl-1377 85 13 benefit benefit NOUN istl-1377 85 14 of of ADP istl-1377 85 15 wildlife wildlife NOUN istl-1377 85 16 has have AUX istl-1377 85 17 been be AUX istl-1377 85 18 worked work VERB istl-1377 85 19 out out ADP istl-1377 85 20 " " PUNCT istl-1377 85 21 , , PUNCT istl-1377 85 22 he he PRON istl-1377 85 23 says say VERB istl-1377 85 24 , , PUNCT istl-1377 85 25 " " PUNCT istl-1377 85 26 but but CCONJ istl-1377 85 27 understanding understand VERB istl-1377 85 28 such such ADJ istl-1377 85 29 fundamental fundamental ADJ istl-1377 85 30 processes process NOUN istl-1377 85 31 as as ADP istl-1377 85 32 nutrient nutrient ADJ istl-1377 85 33 cycling cycling NOUN istl-1377 85 34 is be AUX istl-1377 85 35 essentially essentially ADV istl-1377 85 36 a a DET istl-1377 85 37 mystery mystery NOUN istl-1377 85 38 " " PUNCT istl-1377 85 39 . . PUNCT istl-1377 86 1 this this PRON istl-1377 86 2 is be AUX istl-1377 86 3 atypical atypical ADJ istl-1377 86 4 , , PUNCT istl-1377 86 5 since since SCONJ istl-1377 86 6 most most ADJ istl-1377 86 7 natural natural ADJ istl-1377 86 8 systems system NOUN istl-1377 86 9 are be AUX istl-1377 86 10 first first ADV istl-1377 86 11 studied study VERB istl-1377 86 12 for for ADP istl-1377 86 13 their their PRON istl-1377 86 14 basic basic ADJ istl-1377 86 15 ecological ecological ADJ istl-1377 86 16 patterns pattern NOUN istl-1377 86 17 then then ADV istl-1377 86 18 approached approach VERB istl-1377 86 19 from from ADP istl-1377 86 20 the the DET istl-1377 86 21 standpoint standpoint NOUN istl-1377 86 22 of of ADP istl-1377 86 23 applied apply VERB istl-1377 86 24 research research NOUN istl-1377 86 25 . . PUNCT istl-1377 87 1 there there PRON istl-1377 87 2 are be VERB istl-1377 87 3 a a DET istl-1377 87 4 number number NOUN istl-1377 87 5 of of ADP istl-1377 87 6 possible possible ADJ istl-1377 87 7 explanations explanation NOUN istl-1377 87 8 for for ADP istl-1377 87 9 this this DET istl-1377 87 10 reverse reverse ADJ istl-1377 87 11 approach approach NOUN istl-1377 87 12 . . PUNCT istl-1377 88 1 one one NUM istl-1377 88 2 explanation explanation NOUN istl-1377 88 3 is be AUX istl-1377 88 4 that that SCONJ istl-1377 88 5 basic basic ADJ istl-1377 88 6 ecological ecological ADJ istl-1377 88 7 studies study NOUN istl-1377 88 8 require require VERB istl-1377 88 9 a a DET istl-1377 88 10 long long ADJ istl-1377 88 11 term term NOUN istl-1377 88 12 commitment commitment NOUN istl-1377 88 13 which which PRON istl-1377 88 14 is be AUX istl-1377 88 15 difficult difficult ADJ istl-1377 88 16 to to PART istl-1377 88 17 make make VERB istl-1377 88 18 in in ADP istl-1377 88 19 light light NOUN istl-1377 88 20 of of ADP istl-1377 88 21 how how SCONJ istl-1377 88 22 our our PRON istl-1377 88 23 present present ADJ istl-1377 88 24 educational educational ADJ istl-1377 88 25 system system NOUN istl-1377 88 26 is be AUX istl-1377 88 27 structured structure VERB istl-1377 88 28 . . PUNCT istl-1377 89 1 even even ADV istl-1377 89 2 though though SCONJ istl-1377 89 3 most most ADJ istl-1377 89 4 playa playa NOUN istl-1377 89 5 systems system NOUN istl-1377 89 6 operate operate VERB istl-1377 89 7 on on ADP istl-1377 89 8 a a DET istl-1377 89 9 very very ADV istl-1377 89 10 compressed compress VERB istl-1377 89 11 seasonal seasonal ADJ istl-1377 89 12 cycle cycle NOUN istl-1377 89 13 , , PUNCT istl-1377 89 14 it it PRON istl-1377 89 15 is be AUX istl-1377 89 16 important important ADJ istl-1377 89 17 to to PART istl-1377 89 18 examine examine VERB istl-1377 89 19 the the DET istl-1377 89 20 basic basic ADJ istl-1377 89 21 elements element NOUN istl-1377 89 22 of of ADP istl-1377 89 23 these these DET istl-1377 89 24 cycles cycle NOUN istl-1377 89 25 over over ADP istl-1377 89 26 long long ADJ istl-1377 89 27 periods period NOUN istl-1377 89 28 of of ADP istl-1377 89 29 time time NOUN istl-1377 89 30 to to PART istl-1377 89 31 strengthen strengthen VERB istl-1377 89 32 the the DET istl-1377 89 33 conclusions conclusion NOUN istl-1377 89 34 from from ADP istl-1377 89 35 tested test VERB istl-1377 89 36 hypotheses hypothesis NOUN istl-1377 89 37 ( ( PUNCT istl-1377 89 38 haukos haukos PROPN istl-1377 89 39 1997 1997 NUM istl-1377 89 40 ) ) PUNCT istl-1377 89 41 . . PUNCT istl-1377 90 1 while while SCONJ istl-1377 90 2 recognized recognize VERB istl-1377 90 3 by by ADP istl-1377 90 4 the the DET istl-1377 90 5 earliest early ADJ istl-1377 90 6 inhabitants inhabitant NOUN istl-1377 90 7 and and CCONJ istl-1377 90 8 explorers explorer NOUN istl-1377 90 9 of of ADP istl-1377 90 10 the the DET istl-1377 90 11 region region NOUN istl-1377 90 12 as as ADP istl-1377 90 13 being be AUX istl-1377 90 14 fundamentally fundamentally ADV istl-1377 90 15 important important ADJ istl-1377 90 16 to to ADP istl-1377 90 17 the the DET istl-1377 90 18 economic economic ADJ istl-1377 90 19 viability viability NOUN istl-1377 90 20 of of ADP istl-1377 90 21 the the DET istl-1377 90 22 south south PROPN istl-1377 90 23 plains plain NOUN istl-1377 90 24 , , PUNCT istl-1377 90 25 playas playas NOUN istl-1377 90 26 were be AUX istl-1377 90 27 later later ADV istl-1377 90 28 considered consider VERB istl-1377 90 29 to to PART istl-1377 90 30 have have VERB istl-1377 90 31 lesser less ADJ istl-1377 90 32 value value NOUN istl-1377 90 33 than than ADP istl-1377 90 34 what what PRON istl-1377 90 35 one one PRON istl-1377 90 36 would would AUX istl-1377 90 37 expect expect VERB istl-1377 90 38 for for ADP istl-1377 90 39 lakes lake NOUN istl-1377 90 40 in in ADP istl-1377 90 41 such such DET istl-1377 90 42 a a DET istl-1377 90 43 semiarid semiarid ADJ istl-1377 90 44 land land NOUN istl-1377 90 45 . . PUNCT istl-1377 91 1 this this DET istl-1377 91 2 view view NOUN istl-1377 91 3 has have AUX istl-1377 91 4 come come VERB istl-1377 91 5 full full ADJ istl-1377 91 6 circle circle NOUN istl-1377 91 7 , , PUNCT istl-1377 91 8 as as SCONJ istl-1377 91 9 playas playas NOUN istl-1377 91 10 are be AUX istl-1377 91 11 once once ADV istl-1377 91 12 again again ADV istl-1377 91 13 considered consider VERB istl-1377 91 14 crucial crucial ADJ istl-1377 91 15 for for ADP istl-1377 91 16 the the DET istl-1377 91 17 economic economic ADJ istl-1377 91 18 viability viability NOUN istl-1377 91 19 of of ADP istl-1377 91 20 the the DET istl-1377 91 21 llano llano PROPN istl-1377 91 22 estacado estacado PROPN istl-1377 91 23 . . PUNCT istl-1377 92 1 so so ADV istl-1377 92 2 , , PUNCT istl-1377 92 3 the the DET istl-1377 92 4 role role NOUN istl-1377 92 5 of of ADP istl-1377 92 6 playas playas NOUN istl-1377 92 7 , , PUNCT istl-1377 92 8 as as SCONJ istl-1377 92 9 they they PRON istl-1377 92 10 impact impact VERB istl-1377 92 11 the the DET istl-1377 92 12 regional regional ADJ istl-1377 92 13 water water NOUN istl-1377 92 14 budget budget NOUN istl-1377 92 15 is be AUX istl-1377 92 16 now now ADV istl-1377 92 17 the the DET istl-1377 92 18 greatest great ADJ istl-1377 92 19 incentive incentive NOUN istl-1377 92 20 to to ADP istl-1377 92 21 new new ADJ istl-1377 92 22 research research NOUN istl-1377 92 23 ( ( PUNCT istl-1377 92 24 haukos haukos PROPN istl-1377 92 25 1997 1997 NUM istl-1377 92 26 ) ) PUNCT istl-1377 92 27 . . PUNCT istl-1377 93 1 other other ADJ istl-1377 93 2 factors factor NOUN istl-1377 93 3 include include VERB istl-1377 93 4 game game NOUN istl-1377 93 5 management management NOUN istl-1377 93 6 , , PUNCT istl-1377 93 7 general general ADJ istl-1377 93 8 conservation conservation NOUN istl-1377 93 9 , , PUNCT istl-1377 93 10 grazing grazing NOUN istl-1377 93 11 , , PUNCT istl-1377 93 12 and and CCONJ istl-1377 93 13 finally finally ADV istl-1377 93 14 fisheries fishery NOUN istl-1377 93 15 . . PUNCT istl-1377 94 1 it it PRON istl-1377 94 2 is be AUX istl-1377 94 3 evident evident ADJ istl-1377 94 4 that that SCONJ istl-1377 94 5 the the DET istl-1377 94 6 diversity diversity NOUN istl-1377 94 7 of of ADP istl-1377 94 8 research research NOUN istl-1377 94 9 into into ADP istl-1377 94 10 playas playas NOUN istl-1377 94 11 reflects reflect VERB istl-1377 94 12 the the DET istl-1377 94 13 diversity diversity NOUN istl-1377 94 14 of of ADP istl-1377 94 15 the the DET istl-1377 94 16 systems system NOUN istl-1377 94 17 themselves themselves PRON istl-1377 94 18 , , PUNCT istl-1377 94 19 as as SCONJ istl-1377 94 20 each each DET istl-1377 94 21 playa playa NOUN istl-1377 94 22 is be AUX istl-1377 94 23 unique unique ADJ istl-1377 94 24 . . PUNCT istl-1377 95 1 future future ADJ istl-1377 95 2 research research NOUN istl-1377 95 3 activity activity NOUN istl-1377 95 4 , , PUNCT istl-1377 95 5 therefore therefore ADV istl-1377 95 6 , , PUNCT istl-1377 95 7 should should AUX istl-1377 95 8 address address VERB istl-1377 95 9 basic basic ADJ istl-1377 95 10 ecological ecological ADJ istl-1377 95 11 questions question NOUN istl-1377 95 12 such such ADJ istl-1377 95 13 as as ADP istl-1377 95 14 nutrient nutrient ADJ istl-1377 95 15 cycling cycling NOUN istl-1377 95 16 and and CCONJ istl-1377 95 17 biogeographic biogeographic ADJ istl-1377 95 18 patterns pattern NOUN istl-1377 95 19 . . PUNCT istl-1377 96 1 better well ADJ istl-1377 96 2 understanding understanding NOUN istl-1377 96 3 of of ADP istl-1377 96 4 the the DET istl-1377 96 5 direct direct ADJ istl-1377 96 6 relationship relationship NOUN istl-1377 96 7 of of ADP istl-1377 96 8 playa playa NOUN istl-1377 96 9 lakes lake NOUN istl-1377 96 10 to to ADP istl-1377 96 11 the the DET istl-1377 96 12 ogallala ogallala NOUN istl-1377 96 13 aquifer aquifer NOUN istl-1377 96 14 is be AUX istl-1377 96 15 essential essential ADJ istl-1377 96 16 . . PUNCT istl-1377 97 1 the the DET istl-1377 97 2 influence influence NOUN istl-1377 97 3 of of ADP istl-1377 97 4 playas playas NOUN istl-1377 97 5 also also ADV istl-1377 97 6 extends extend VERB istl-1377 97 7 beyond beyond ADP istl-1377 97 8 the the DET istl-1377 97 9 region region NOUN istl-1377 97 10 . . PUNCT istl-1377 98 1 thus thus ADV istl-1377 98 2 , , PUNCT istl-1377 98 3 studies study NOUN istl-1377 98 4 into into ADP istl-1377 98 5 the the DET istl-1377 98 6 international international ADJ istl-1377 98 7 impact impact NOUN istl-1377 98 8 of of ADP istl-1377 98 9 playa playa NOUN istl-1377 98 10 lakes lake NOUN istl-1377 98 11 on on ADP istl-1377 98 12 waterfowl waterfowl NOUN istl-1377 98 13 migration migration NOUN istl-1377 98 14 should should AUX istl-1377 98 15 be be AUX istl-1377 98 16 forthcoming forthcoming ADJ istl-1377 98 17 ( ( PUNCT istl-1377 98 18 haukos haukos PROPN istl-1377 98 19 1997 1997 NUM istl-1377 98 20 ) ) PUNCT istl-1377 98 21 . . PUNCT istl-1377 99 1 playas playas NOUN istl-1377 99 2 are be AUX istl-1377 99 3 often often ADV istl-1377 99 4 modified modify VERB istl-1377 99 5 in in ADP istl-1377 99 6 urban urban ADJ istl-1377 99 7 areas area NOUN istl-1377 99 8 to to PART istl-1377 99 9 control control VERB istl-1377 99 10 flooding flooding NOUN istl-1377 99 11 and and CCONJ istl-1377 99 12 this this DET istl-1377 99 13 use use NOUN istl-1377 99 14 of of ADP istl-1377 99 15 playas playas NOUN istl-1377 99 16 is be AUX istl-1377 99 17 in in ADP istl-1377 99 18 need need NOUN istl-1377 99 19 of of ADP istl-1377 99 20 further further ADJ istl-1377 99 21 study study NOUN istl-1377 99 22 . . PUNCT istl-1377 100 1 obviously obviously ADV istl-1377 100 2 , , PUNCT istl-1377 100 3 a a DET istl-1377 100 4 great great ADJ istl-1377 100 5 deal deal NOUN istl-1377 100 6 of of ADP istl-1377 100 7 work work NOUN istl-1377 100 8 has have VERB istl-1377 100 9 yet yet ADV istl-1377 100 10 to to PART istl-1377 100 11 be be AUX istl-1377 100 12 undertaken undertake VERB istl-1377 100 13 . . PUNCT istl-1377 101 1 this this DET istl-1377 101 2 task task NOUN istl-1377 101 3 calls call VERB istl-1377 101 4 for for ADP istl-1377 101 5 much much ADV istl-1377 101 6 more more ADJ istl-1377 101 7 funding funding NOUN istl-1377 101 8 and and CCONJ istl-1377 101 9 much much ADV istl-1377 101 10 greater great ADJ istl-1377 101 11 cooperation cooperation NOUN istl-1377 101 12 among among ADP istl-1377 101 13 interested interested ADJ istl-1377 101 14 parties party NOUN istl-1377 101 15 . . PUNCT istl-1377 102 1 continue continue VERB istl-1377 102 2 to to ADP istl-1377 102 3 next next ADJ istl-1377 102 4 section section NOUN