01735oam 2200493 450 991071349120332120200416085943.0(CKB)5470000002500737(OCoLC)974643767(OCoLC)995470000002500737(EXLCZ)99547000000250073720170306d1985 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAnalysis of biological data collected in the Bull Run Watershed, Portland, Oregon, 1978 to 1983 /by Daphne G. CliftonPortland, Oregon :U.S. Geological Survey,1985.1 online resource (v, 62 pages) mapWater-resources investigations report ;85-4245"Prepared in cooperation with the City of Portland Water Bureau."Includes bibliographical references (pages 53-57).Freshwater ecologyOregonBull Run River WatershedWater qualityOregonBull Run River WatershedFreshwater ecologyfastWater qualityfastOregonBull Run River WatershedfastFreshwater ecologyWater qualityFreshwater ecology.Water quality.Clifton Daphne G.1415622Geological Survey (U.S.),Portland (Or.).Water Bureau.COPCOPOCLCOOCLCFGPOBOOK9910713491203321Analysis of biological data collected in the Bull Run Watershed, Portland, Oregon, 1978 to 19833545137UNINA