01534oam 2200397Ia 450 991069591950332120070817113708.0(CKB)5470000002374609(OCoLC)65169490(EXLCZ)99547000000237460920060320d2006 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierField comparison of Optical and Clark cell dissolved oxygen sensors in the Tualatin River, Oregon, 2005[electronic resource] /by Matthew W. Johnston and John S. WilliamsReston, Va. :U.S. Geological Survey,2006.iv, 11 pages digital, PDF fileOpen-file report ;2006-1047Title from PDF title screen (viewed on Mar. 20, 2006).Includes bibliographical references (page 11).WaterDissolved oxygenOregonTualatin RiverMeasurementWater qualityOregonTualatin RiverMeasurementWaterDissolved oxygenMeasurement.Water qualityMeasurement.Johnston Matthew W1402488Williams John S(John Sutherland),1947-1409650Geological Survey (U.S.)GISGISGPOBOOK9910695919503321Field comparison of Optical and Clark cell dissolved oxygen sensors in the Tualatin River, Oregon, 20053531517UNINA