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Creator:: Bonn, Bernadine A., Washington County (Or.). Unified Sewerage Agency., and Geological Survey (U.S.)
Abstract:: The U.S. Geological Survey (USGS) has worked cooperative with the Unified Sewerage Agency of Washington County (USA) since 1990 to assess water quality in the Tualatin River Basin. The objectives of this study were to: assess the occurrence and magnitude of trace element and selected organic contaminants in streams of...
Resource Type:: Technical Report

Creator:: USDA Oregon River Basin Survey Party, United States. Department of Agriculture. Economic Research Service, United States. Forest Service, United States. Soil Conservation Service, USDA Field Advisory Committee, Oregon. State Water Resources Board, Ralphs, H. H., Raitt, D. D., Fessel, W. C., Carnahan, H. E., and Smith, K. K.
Abstract:: This report presents information concerning the water and related land resources of the Middle Willamette River Basin and is the result of a cooperative study by the U. S. Department of Agriculture and the State Water Resources Board of Oregon. The State Water Resources Board of Oregon is making a...
Resource Type:: Technical Report
Full Text:: RESOURCES MIDDLE WILLAMETTE RIVER BASIN OREGON T T P r e p a r e d b y .. ECONOMIC RESEARCH SERVICE

Creator:: USDA Oregon River Basin Survey Party, United States. Department of Agriculture. Economic Research Service, United States. Forest Service, United States. Soil Conservation Service, USDA Field Advisory Committee, and Oregon. State Water Resources Board
Resource Type:: Technical Report
Full Text:: Report on WATER AND RELATED LAND RESOURCES LOWER WILLAMETTE RIVER BASIN OREGON Based on a

Creator:: Hinkle, Stephen R., National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anthropogenic factors. Several natural and anthropogenic factors (soil characteristics, cumulative thickness of clay above open interval of...
Resource Type:: Technical Report

Creator:: Thompson, Kenneth E.
Abstract:: Federal Aid to Fish Restoration Progress Report Project F-69-R-2, Job Number 1
Resource Type:: Technical Report

Creator:: Altman, Bob, Henson, Colleen M., Waite, Ian R., United States. Fish and Wildlife Service, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: This report reviews and summarizes available information on aquatic biological communities in the Willamette Basin through 1995. Specifically, the report describes (1) the distribution, abndance, and trends of three taxonomic groups--algae, macroinvertebrates, and fish--and, to a lesser degree, other selected semi-aquatic taxa (i.e., taxa frequenting but not living wholly in...
Resource Type:: Technical Report

Creator:: Rinella, Frank A., Geological Survey (U.S.), United States. Forest Service, and Douglas County (Or.)
Abstract:: This report presents the concentrations of major ions, nutrients, and trace elements in water and bottom sediments collected in the four-tributaries during the low-flow condition of September 9-13, 1996. Stream-water chemistry results are contrasted, and trace-element concentrations compared with U.S. Environmental Protection Agency chronic aquatic life toxicity criteria. Bottom -sediment...
Resource Type:: Technical Report

Creator:: Sullivan, Timothy J., Bischoff, Joseph M., and Vache, Kellie B.
Resource Type:: Technical Report
Full Text:: , tributary streams, drainage ditches) in the Tillamook River watershed 105 43. Buffer zones delineated on

Creator:: Hinkle, Stephen R., Polette, Danial J., and Oregon. Water Resources Dept., Geological Survey (U.S.)
Abstract:: Arsenic concentrations exceeding the U.S. Environmental Protection Agency (USEPA) current Maximum Contaminant Level (MCL) of 50 micrograms per liter are widespread in ground water in the Willamette Basin. The Oregon Water Resources Department and the U.S. Geological Survey began a cooperative study in the Willamette Basin in 1996. One goal...
Resource Type:: Technical Report
Full Text:: in Ground Water of the Willamette Basin, Oregon Water-Resources Investigations Report 98–4205

Creator:: USDA Oregon River Basin Survey Party, USDA Field Advisory Committee, United States. Department of Agriculture. Economic Research Service, United States. Forest Service, United States. Soil Conservation Service, and Oregon. State Water Resources Board
Resource Type:: Technical Report
Full Text:: Water Resources Board of Oregon. Population, Hood River and Wasco Counties, Oregon, 1920- 1962. 20 t

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