LEADER 01934oam 2200553 450 001 9910711722803321 005 20190111091535.0 035 $a(CKB)5470000002486847 035 $a(OCoLC)953209259 035 $a(OCoLC)995470000002486847 035 $a(EXLCZ)995470000002486847 100 $a20160707d1977 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAlgal conditions and the potential for future algal problems in the Willamette River, Oregon /$fby David A. Rickert [and four others] 210 1$a[Reston, Virginia] :$cUnited States Department of the Interior, Geological Survey,$d1977. 215 $a1 online resource (vi, G39 pages) $cillustrations, maps 225 1 $aGeological Survey circular ;$v715-G 225 0 $aRiver-quality assessment of the Willamette River Basin, Oregon 320 $aIncludes bibliographical references (pages G35-G36). 606 $aEutrophication$zOregon$zWillamette River 606 $aFreshwater algae$zOregon$zWillamette River 606 $aWater quality$zOregon$zWillamette River 606 $aEutrophication$2fast 606 $aFreshwater algae$2fast 606 $aWater quality$2fast 607 $aWillamette River (Or.) 607 $aOregon$zWillamette River$2fast 615 0$aEutrophication 615 0$aFreshwater algae 615 0$aWater quality 615 7$aEutrophication. 615 7$aFreshwater algae. 615 7$aWater quality. 700 $aRickert$b David A.$f1940-$01384814 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711722803321 996 $aAlgal conditions and the potential for future algal problems in the Willamette River, Oregon$93450559 997 $aUNINA