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Water-Quality, Streambed-Sediment, and Biological Data from the Clark Fork-Pend Oreille and Spokane River Basins, Montana, Idaho, and Washington, 1998-2001 - Open-File Report 2003-292 (Paperback)
Loot Price: R699
Discovery Miles 6 990
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Water-Quality, Streambed-Sediment, and Biological Data from the Clark Fork-Pend Oreille and Spokane River Basins, Montana, Idaho, and Washington, 1998-2001 - Open-File Report 2003-292 (Paperback)
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Water-quality, streambed-sediment, and biological data were
collected in the Clark Fork-Pend Oreille and Spokane River basins
as part of the U.S. Geological Survey's National Water-Quality
Assessment Program and are presented in this report. These river
basins compose the Northern Rockies Intermontane Basins study unit
which was selected to include a river system that has a mixture of
forested, agricultural, urban, and developing areas. Waterquality
samples were collected from 28 surface-water sites and 86
ground-water sites from June 1998 to September 2001. Data collected
included measurements of physical properties and chemical analyses
of concentrations of major ions, trace elements, nutrients, organic
carbon, pesticides, volatile organic compounds, and radiochemical
constituents. Streambed-sediment and biological tissue samples were
collected from 41 sites and analyzed for trace elements and
organochlorine compounds. Benthic algae were collected to determine
chlorophyll concentration and areal density.
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