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Filtering by: Subject New River (Or.) Creator Geological Survey (U.S.) Decade 1990-1999

Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River Basin, Oregon, 1992-96

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
Inorganic chemistry of water and bed sediment in selected tributaries of the South Umpqua River, Oregon, 1998

Creator:

Hinkle, Stephen R. and Geological Survey (U.S.)

Abstract:

This report presents results of an investigation of water and streambed-sediment quality in selected tributaries of the South Umpqua River. Concentrations of inorganic constituents in water (major and minor ions, nutrients, and trace elements) and streambed sediment (primarily trace elements), along with standard field parameters, are tabulated for samples collected...

Resource Type:

Technical Report
Economic values and product shift on the Rogue River : a study of non-commercial whitewater recreation

Creator:

Johnson, Rebecca L., 1955-, Oregon State University. Water Resources Research Institute, Shelby, Bo, 1948-, Bregenzer, Neil S., and Geological Survey (U.S.)

Resource Type:

Technical Report

Full Text:

s recreation or preservation and consumptive uses such as logging of river corridors or
Microbiological quality of the Yaquina Estuary

Creator:

Arnold, Gary, Oregon State University. Water Resources Research Institute, and Geological Survey (U.S.)

Resource Type:

Technical Report

Full Text:

standards during periods of hig h river flow or extreme tide fall . These conditions allow coliforms from