Search Results for the EPA National Library Catalog

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Showing: Items 701 - 750
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Select Item Title Year Published
Draft Vail Category III Ski Area Development Environmental Impact Statement 1995
Drainage basin descriptions 1972
Drought induced problems and responses of small towns and rural water entities in Colorado : the 1976-1978 drought / 1980
Droughtland 2014
Eaton asbestos. 2013
ECO Update: Selecting and Using Reference Information in Superfund Ecological Risk Assessments. Volume 2, Number 4, September 1994. 1994
Ecological Analyses of Potential Shale Oil Products Pipeline Corridors in Colorado and Utah and Alternate Shale Oil Products Transportation Studies 1973
Ecological characterization of wetlands in eastern San Miguel County, Colorado / 1998
Ecological studies in the Colorado alpine : a festschrift for John W. Marr 1982
Ecological studies of natural and established ecosystems on energy related disturbances in Colorado 1984
Ecological Studies of Wetlands in South Park, Colorado : Classification, Functional Analysis, Rare Species Inventory, and the Effects of Removing Irrigation / 1990
Ecology of a tropical forest seasonal rhythms and long-term changes / 1982
Ecology of the lower Colorado River from Davis Dam to the Mexico-United States international boundary : a community profile / 1988
Economic analysis of water use in Colorado's economy : completion report, OWRT project no. B-059-COLO 1975
Economic and institutional analysis of Colorado water quality management : completion report / 1975
Economic assessment of damage related to the Eagle Mine facility / 1985
Economic benefits from instream flow in a Colorado mountain stream / 1979
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 impact analysis of reduced irrigated acreage in four river basins in Colorado / 2006
Economic impacts of changes in salinity levels of the Colorado River / 1974
Economic impacts of transferring water from agriculture to alternative uses in Colorado : research project technical completion report / 1983
Economic, Political, and Legal Aspects of Colorado Water Law. 1973
Economics of cropping systems for western Colorado 1969
Ecoregion-Based Conservation in the Central Shortgrass Prairie 1998
Ecoregions of the south central states / 1987
Educating College Students on Wetlands: Strategy Proposal for the EPA OWOW Wetlands Program on Outreach Targeting University Students 2003
Education of Best Management Practices in the Arroyo Colorado Watershed. 2009
Effect of insect predators and parasites on grass feeding insects, Pawnee site / 1970
Effect on mine drainage on the quality of streams in Colorado, 1971-72 1974
Effective stakeholder involvement strategies for environmental technology projects : principles and practical applications / 1997
Effectiveness of forestry related Best Management Practices in the Trout Creek Watershed, Colorado 2005
Effects of chemical variations in aquatic environments / 1973
Effects of Chemical Variations in Aquatic Environments. Volume I. Biota and Chemistry of Piceance Creek 1973
Effects of converting sagebrush cover to grass on the hydrology of small watersheds at Boco Mountain, Colorado / 1979
Effects of Development on Salinity and Limnology of the Lower Colorado River. 1973
Effects of environmental stresses on a shortgrass prairie ecosystem, 1970 and 1971 / 1973
Effects of Flow Augmentation on Channel Morphology and Riparian Vegetation in the upper Arkansas River Basin, Colorado 1997
Effects of flow diversion on downstream channel form in mountain streams 1993
Effects of fluvial tailings deposits on soils and surface- and ground-water quality, and implications for remediation--upper Arkansas River, Colorado, 1992-96 {MICROFICHE} / 2000
Effects of grazing on the hydrology and biology of the Badger Wash basin in western Colorado, 1953-66 / 1971
Effects of heavy metals on aquatic organisms under laboratory and field conditions 1994
Effects of highway construction on water quality and biota in an adjacent Colorado mountain stream / 1983
Effects of impoundment on water and sediment in the Arkansas River at Pueblo Reservoir 1977
Effects of land use on water quality of the Fountain Creek alluvial aquifer, east-central Colorado 1996
Effects of metal-mine drainage on water quality in selected areas of Colorado, 1972-73 1974
Effects of Pollution on Aquatic Life Resources of the South Platte River Basin in Colorado. 1967
Effects of Pollution on Aquatic Life Resources of the South Platte River Basin in Colorado. Volume II. Technical Appendix. 1967
Effects of Pollution on the Aquatic Life Resources of the South Platte River Basin. 1967
Effects of releases of sediment from reservoirs on stream biota 1982
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