Search Results for the EPA National Library Catalog

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Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 1997
Dissolved oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment 1977
Dissolved-oxygen and algal conditions in selected locations of the Willamette River basin, Oregon 1981
Distribution and abundance of juvenile salmonids off Oregon and Washington, 1981-1985 1990
Distribution and occurrence of the birds of Jackson County, Oregon, and surrounding areas 1975
Distribution and relative abundance of pelagic nonsalmonid nekton off Oregon and Washington, 1979-84 1986
Distribution of dissolved pesticides and other water quality constituents in small streams, and their relation to land use, in the Willamette River Basin, Oregon, 1996 1998
Distribution of phytoplankton in New Mexico lakes / 1979
Distribution of phytoplankton in Oregon lakes / 1979
Downstream movement of salmonids at Bonneville Dam 1958
Draft comprehensive stormwater management plan 1993
Draft environmental impact statement : Coquille ocean dredged material disposal site (ODMDS) designation / 1988
Draft environmental impact statement : Neskowin Regional Sanitary Authority wastewater collection, treatment, and disposal facilities. 1991
Draft environmental impact statement for Coos Bay, Oregon dredged material disposal site designation. 1984
Draft environmental impact statement for the Oregon Dunes National Recreation Area management plan, Siuslaw National Forest, Coos, Douglas and Lane counties. 1993
Draft environmental impact statement for Westside Trunk District, Bear Creek Valley Sanitary Authority 1976
Draft environmental impact statement on the Metropolitan Wastewater Management Commission Sludge Management Plan / 1983
Draft environmental impact statement Reeder Reservoir maintenance operations : an element of the Rogue Valley water quality management plan / 1979
Draft environmental statement ; Owyhee grazing envrionmental impact statement / 1980
Draft Pacific Northwest Indian tribes legal documents : treaties, agreements, congressional acts and executive orders : 1815-1915 / 2002
Draft Supplemental Environmental Impact Statement on Management of Habitat for Late-Successional and Old-Growth Forest Related Species within the Range of the Northern Spotted Owl 1993
Ecological assessment of Kirk Pond 1994
Ecological condition of coastal ocean waters along the U.S. western continental shelf, 2003 / 2008
Ecological condition of lakes in Idaho, Oregon, and Washington : EPA Region 10 report / 2011
Ecological condition of streams in the coast range ecoregion of Oregon and Washington 2000
Ecological condition of the estuaries of Oregon and Washington. 2006
Ecological condition of Western Cascades ecoregion streams : an environmental monitoring and assessment program (EMAP) report / 2004
Ecological functions of off-channel habitat, Willamette River, Oregon : final research plan / 1997
Ecological provinces of Oregon : a treatise on the basic ecological geography of the state / 1998
Ecological studies of an experimental stream / 1960
Ecologically Relevant Quantification of Streamflow Regimes in Western Streams. 2006
Ecology of band-tailed pigeons in Oregon 1992
Economic and energy analyses of regional water pollution control / 1978
Economic and social impact study : part I : the impact of the Siletz tribe on Lincoln County; part II : the impact of the Chinook Winds Casino and Convention Center on Lincoln City / 1999
Economic benefits from an improvement in water quality / 1973
Economic Benefits from an Improvement in Water Quality. 1973
Economic Growth Analysis System (E-GAS) for EPA Regions 8 and 10 - Rocky Mountain (for Microcomputers). 1994
Economic Growth Analysis System (E-GAS) for EPA Regions 8 and 9 - Rocky Mountain (for Microcomputers). 1995
Economic growth and fish and wildlife habitat protection : the promise of low-impact stormwater management in the Portland, Oregon metropolitan region / 2004
Economic impact analysis for the federal implementation plans under the Clean Air Act for Indian reservations in Idaho, Oregon, and Washington / 2004
Economic impact of Oregon's "Bottle bill" 1974
Economic impacts of the proposed Siskiyou Wild Rivers National Monument 2000
Economic opportunities for private landowners in agricultural-riparian settings : Western Oregon and Washington / 1996
Ecoregions: An Approach to Surface Water Protection (Journal Version). 1988
Ecosystem analysis of the Skookum, Big Wall & Little Wall Watersheds : Heppner Ranger District, Umatilla National Forest. 1995
Effect of Chronic Ozone Exposure on the Metabolite Content of Ponderosa Pine Seedlings. 1976
Effect of Irrigation Return Water on the Benthic Macroinvertebrates of the Lost River Oregon-California. 1969
Effect of riparian areas on the ecological condition of small, perennial streams in agricultural landscapes of the Willamette Valley {Microfiche} 1997
Effect of Simulated Sulfuric Acid Rain on the Chemistry of a Sulfate-Adsorbing Forest Soil. 1985
Effect of Simulated Sulfuric Acid Rain on Yield, Growth, and Foliar Injury of Several Crops. 1980
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