LEADER 02593oam 2200625 450 001 9910715942303321 005 20210415105122.0 035 $a(CKB)5470000002516673 035 $a(OCoLC)680108172$z(OCoLC)631645040$z(OCoLC)667898309$z(OCoLC)985367320$z(OCoLC)1114980089 035 $a(OCoLC)995470000002516673 035 $a(EXLCZ)995470000002516673 100 $a20101107d1993 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon /$fby Gilbert C. Bortleson and Marvin O. Fretwell 210 1$aPortland, Oregon :$cU.S. Geological Survey,$d1993. 215 $a1 online resource (vii, 24 pages) $cillustrations, maps (1 color) 225 1 $aWater-resources investigations report ;$v93-4087 300 $a"Prepared in cooperation with the Klamath Tribe, Klamath County Farm Bureau, City of Klamath Falls, Klamath County Board of Commissioners, U.S. Bureau of Reclamation, U.S. Fish and Wildlife Service, Federal Energy Regulatory Commission." 320 $aIncludes bibliographical references (pages 22-24). 606 $aCatostomidae$xConservation$zOregon$zUpper Klamath Lake 606 $aEutrophication$zOregon$zUpper Klamath Lake 606 $aLake ecology$zOregon$zUpper Klamath Lake 606 $aAgricultural industries$xEnvironmental aspects$zOregon$zUpper Klamath Lake 606 $aAgricultural industries$xEnvironmental aspects$2fast 606 $aEutrophication$2fast 606 $aLake ecology$2fast 607 $aOregon$zUpper Klamath Lake$2fast 615 0$aCatostomidae$xConservation 615 0$aEutrophication 615 0$aLake ecology 615 0$aAgricultural industries$xEnvironmental aspects 615 7$aAgricultural industries$xEnvironmental aspects. 615 7$aEutrophication. 615 7$aLake ecology. 700 $aBortleson$b Gilbert Carl$f1940-$01389815 702 $aFretwell$b M. O. 712 02$aGeological Survey (U.S.), 712 02$aKlamath Indian Tribe of Oregon. 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCF 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCQ 801 2$bCOP 801 2$bGPO 906 $aBOOK 912 $a9910715942303321 996 $aA review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon$93494837 997 $aUNINA