Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Sampling bacteria in a mountain stream / 1968
Section 319 nonpoint source program success story Colorado : London extension mine drainage treatment project removes heavy metals / {electronic resource} : 2005
Simulation of hydrologic and chemical-quality variations in an irrigated stream-aquifer system a preliminary report / 1973
Site specific water quality assessment : Slate River, Colorado / 1982
Site-specific safety plan for technical support to the SWD Stormwater NPDES Permit-Application Program at the Rocky Flats Plant / 1991
Status of Water Quality in Colorado, 1994 1994
Stream classification for surface waters of Colorado, including: stream quality standards, plan of implementation {and} enforcement procedures. 1967
Stream surveys in vicinity of uranium mills. I, Area of Grand Junction, Colorado, August 1960 / 1961
Streamwater quality at selected sites in the Fraser River basin, Grand County, Colorado, water years 1991-2000 / 2003
Study areas II and VI-c water quality analysis and environmental assessments, South Platte River / 1975
Summary of a water quality survey, Greeley, Colorado : November 16-19, 1971 / 1971
Summary of a Water Quality Survey, Greeley, Colorado. November 16-19, 1971. 1971
Supplemental report on the 1981 review water quality standards for salinity Colorado River system 1981
Surface and subsurface water quality hydrology in surface mined watersheds / 1979
Surface water supply of the United States 1961-65. Part 9, Colorado River basin. 1970
Surface water supply of the United States, 1949 Colorado River Basin / 1951
Surface water supply of the United States, 1950 Colorado River Basin / 1952
Surface water supply of the United States, 1955 Colorado River Basin / 1957
Surface water supply of the United States, 1956 Colorado River Basin / 1958
Surface water supply of the United States, 1957 Colorado River Basin / 1959
Surface water supply of the United States, 1958 Colorado River Basin / 1960
Surface water supply of the United States, 1959 Colorado River basin / 1960
Surface water supply of the United States, 1960 Colorado River Basin / 1961
Surface water supply of the United States, 1961-65. Part 9, Colorado River basin. 1970
Surface-water quality in the Yampa River Basin, Colorado and Wyoming : an area of accelerated coal development / 1976
Surveillance data : plains segment of the Cache la Poudre River, Colorado, 1970-1977 / 1978
Tentative water quality control policy, Colorado River in Arizona. 1967
The SB-10 controversy : a public information document on the 1981 Amendments to the Colorado Water Quality Control Act / 1985
The surface water hydrology, water quality, and aquatic life of the Colorado-Utah oil shale region : a data summary / 1984
Upper Gunnison River drainage 1975
Waste Load Allocation for the Eagle River and Gore Creek 1974
Water Quality Assessment Summary, EPA Region VIII, August 1981 1981
Water Quality Assessment Summary, EPA Region VIII, MAy 1981 1981
Water quality conditions in Grand Lake, Shadow Mountain Lake, Lake Granby / 1970
Water quality control in mine spoils, Upper Colorado River Basin / 1975
Water quality impacts of irrigated agriculture in the Larimer-Weld region : executive summary / 1977
Water Quality in Colorado 1986 1986
Water quality in the Upper Colorado River Basin, 1996-98 / 2000
Water quality in the Upper Colorado River Basin, Colorado, 1996-98 2000
Water quality investigation of the South Platte River, July 1, 1976 - June 29, 1977 : summary report / 1978
Water Quality Management Decisions in Colorado. 1972
Water quality management five - year needs assessment : FY 1979 - FY 1984 / 1980
Water quality standards and stream classification / 1974
Water quality standards for salinity, Colorado River system : proposed report on the 1981 review / 1981
Water quality study : Grand Lake, Shadow Mountain Lake, Lake Granby, Colorado, 1974. 1977
Water resources data Colorado. 0
Water resources data for Colorado. 1965
Water-quality characteristics and ground-water quantity of the Fraser River Watershed, Grand County, Colorado, 1998-2001 / 2004
Water-quality data-collection activities in Colorado and Ohio / 1987
Water-quality data-collection activities in Colorado and Ohio : Phase III--evaluation of existing data for use in assessing regional water-quality conditions and trends / 1992
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