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Institution
Subject
Water quality
5
Groundwater
3
Hydrology
3
Organic water pollutants
3
Pesticides Environmental aspects
3
Phosphorus Environmental aspects
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3
Water-supply
2
Algae
2
Freshwater ecology
2
Groundwater Pollution
2
Groundwater Quality
2
Nitrogen Environmental aspects
2
River sediments
2
Runoff
2
Streamflow
2
Water quality monitoring stations
2
Water temperature
1
Amazon Creek (Or.)
1
Aquatic resources
1
Aquifers
1
Calcium magnesium acetate Environmental aspects
1
Douglas County (Or.)
1
Dredging spoil
1
Escherichia coli
1
Eutrophication
1
Fertilizers Environmental aspects
1
Forest soils Fertilization Environmental aspects
1
Freshwater algae
1
Geological mapping
1
Hydrogeological surveys
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Author
Geological Survey (U.S.)
8
Anderson, Chauncey W.
8
Rounds, Stewart
6
National Water-Quality Assessment Program (U.S.)
6
Wood, Tamara M.
5
Oregon. Department of Environmental Quality
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5
Rinella, Frank A.
4
Carpenter, Kurt D.
4
Edwards, Thomas K.
4
Salem (Or.)
4
Tanner, Dwight Q.
4
United States. Bureau of Land Management
4
Washington County (Or.). Unified Sewerage Agency
3
Clean Water Services (Washington County, Or.)
3
Douglas County (Or.)
3
Portland (Or.). Bureau of Environmental Services
3
United States. Bureau of Reclamation
2
Bonn, Bernadine
2
Bragg, Heather M.
2
Crumrine, Milo D.
2
Doyle, Micelis C., 1966-
2
Fuhrer, Gregory J.
2
Gonthier, Joseph B.
2
Hinkle, Stephen R.
2
Hoilman, Gene R.
2
Kelly, Valerie J.
2
Lindenberg, Mary K.
2
Lynch, Dennis D.
2
Miller, Timothy L.
2
Morace, Jennifer L.
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Language
Genre
Literary Form
Region
Oregon
6
Willamette River Watershed
4
United States
3
Columbia River Watershed
3
Tualatin River
2
Newberry Volcano
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2
North Umpqua River Watershed
2
Pacific Coast
2
Sandy River Watershed
2
Santiam River
2
Tualatin River Watershed
2
Willamette River
1
Agency Lake
1
Amazon Creek (Or.)
1
Amazon Creek Watershed
1
Bull Run River Watershed
1
Cascade Range
1
Clackamas County
1
Clackamas River Watershed
1
Coos Bay Region
1
Detroit Lake
1
Douglas County (Or.)
1
Fanno Creek (Multnomah County and Washington County)
1
Grand Ronde Region
1
Harney County
1
Henry Hagg Lake
1
Idaho
1
Little River Watershed (Douglas County)
1
Malheur County
1
Malheur Lake
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Year of Publication