01962oam 2200517 450 991071606140332120210512091914.0(CKB)5470000002517490(OCoLC)682124302(OCoLC)622332076(OCoLC)667868250(OCoLC)974647694(OCoLC)1153330047(OCoLC)995470000002517490(EXLCZ)99547000000251749020101117d1994 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAssessment of surface-water quality and water-quality control alternatives, Johnson Creek Basin, Oregon /by Thomas K. Edwards ; prepared in cooperation with the City of Portland, Bureau of Environmental ServicesPortland, Oregon :U.S. Geological Survey,1994.1 online resource (v, 50 pages) illustrations, mapWater-resources investigations report ;93-4090Includes bibliographical references (pages 47-48).Water qualityOregonJohnson Creek Watershed (Clackamas County and Multnomah County)Water quality managementOregonJohnson Creek Watershed (Clackamas County and Multnomah County)Water qualityfastOregonfastWater qualityWater quality managementWater quality.Edwards Thomas K.1406895Geological Survey (U.S.),Portland (Or.).Bureau of Environmental Services.OCLCEOCLCEOCLCQOCLCFOCLCQOCLCOOCLCQCOPOCLCAGPOBOOK9910716061403321Assessment of surface-water quality and water-quality control alternatives, Johnson Creek Basin, Oregon3486921UNINA