LEADER 02123oam  2200481   450 
001 9910713508503321
005 20200605095520.0
035   $a(CKB)5470000002502583
035   $a(OCoLC)974646483
035   $a(OCoLC)995470000002502583
035   $a(EXLCZ)995470000002502583
100   $a20170306d1988      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aReconnaissance investigation of water-quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife Refuge, Texas, 1986-87 /$fby Frank C. Wells, Gerry A. Jackson, and William J. Rogers
210  1$aAustin, Texas :$cU.S. Geological Survey,$d1988.
215   $a1 online resource (vi, 89 pages) $cillustrations, maps +$e3 plates
225 1 $aWater-resources investigations report ;$v87-4277
320   $aIncludes bibliographical references (pages 62-63).
517 3 $aReconnaissance investigation of irrigation drainage, Lower Rio Grande Valley and Laguna Atascosa National Wildlife Refuge, Texas, 1986-87
606   $aIrrigation water$xQuality$zTexas$zLower Rio Grande Valley
606   $aIrrigation water$zTexas$zLaguna Atascosa National Wildlife Refuge
606   $aIrrigation water$xQuality$2fast
607   $aTexas$zLaguna Atascosa National Wildlife Refuge$2fast
615  0$aIrrigation water$xQuality
615  0$aIrrigation water
615  7$aIrrigation water$xQuality.
700   $aWells$b Frank C.$01387381
702   $aJackson$b Gerry A.
702   $aRogers$b William J$g(William James),$f1949-
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910713508503321
996   $aReconnaissance investigation of water-quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife Refuge, Texas, 1986-87$93462054
997   $aUNINA