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Institution
Collection
Subject
Water quality
8
Groundwater
6
Hydrology
6
Pesticides Environmental aspects
5
Nutrient pollution of water
5
Organic water pollutants
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5
Rivers
5
Water Dissolved oxygen
5
Water-supply
4
Freshwater algae
4
Water temperature
4
Willamette River Watershed (Or.)
3
Algae
3
Eutrophication
3
Freshwater ecology
3
Groundwater Quality
3
Phosphorus Environmental aspects
3
River sediments
3
Runoff
3
Streamflow
3
Suspended sediments
3
Water quality management
3
Willamette River (Or.)
2
Amazon Creek (Or.)
2
Dredging spoil
2
Forest soils Fertilization Environmental aspects
2
Groundwater Pollution
2
Malheur National Wildlife Refuge (Or.)
2
Nitrogen Environmental aspects
2
Runoff Environmental aspects
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Author
51
Geological Survey (U.S.)
44
Geological Survey (U.S.),
10
National Water-Quality Assessment Program (U.S.)
10
Oregon. Department of Environmental Quality
9
Rickert, David A., 1940-
8
Anderson, Chauncey W.
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8
Rounds, Stewart
8
United States. Bureau of Reclamation
6
McKenzie, Stuart W.,
6
Salem (Or.)
6
United States. Bureau of Land Management
6
Wood, Tamara M.
5
Anderson, Chauncey W.,
5
Douglas County (Or.)
5
Hines, Walter G.,
5
Portland (Or.). Bureau of Environmental Services
5
Rinella, Frank A.
5
Rinella, Frank A.,
5
United States. Army. Corps of Engineers
5
Washington County (Or.). Unified Sewerage Agency
5
Wood, Tamara M.,
4
Carpenter, Kurt D.
4
Edwards, Thomas K.
4
McKenzie, Stuart W.
4
Oregon. Willamette River Technical Advisory Steering Committee
4
Tanner, Dwight Q.
4
United States. Forest Service
3
Clean Water Services (Washington County, Or.)
3
Fuhrer, Gregory J.,
3
Hines, Walter G.
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Language
Literary Form
Region
Oregon
16
Willamette River
15
Willamette River Watershed
7
United States
5
Upper Klamath Lake
4
Sandy River Watershed
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4
Tualatin River
4
Willamette River Watershed (Or.)
3
Agency Lake
3
Bull Run River Watershed
3
Columbia River Watershed
3
Malheur Lake
3
Newberry Volcano
3
North Umpqua River Watershed
3
Willamette River (Or.)
2
Amazon Creek (Or.)
2
Amazon Creek Watershed
2
Cascade Range
2
Fanno Creek (Multnomah County and Washington County)
2
Harney County
2
Malheur National Wildlife Refuge
2
Malheur National Wildlife Refuge (Or.)
2
Malheur River
2
Pacific Coast
2
Salem Region
2
Santiam River
2
Tualatin River Watershed
2
Umpqua River Watershed
2
Upper Klamath Lake (Or.)
2
Washington (State)
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Call Number
Year of Publication