Search Results for the EPA National Library Catalog

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Ecological Responses to Flow Alteration: A Literature Review Within the Context of the Maryland Hydroecological Integrity Assessment. 2012
Ecological systems and the water resource 1960
Ecology and restoration of the Delaware River Basin 1988
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Economic analysis of cost sharing arrangements in water and related land resources : completion report / 1979
Economic Analysis of Erosion and Sediment Control Methods for Watersheds Undergoing Urbanization. 1972
Economic analysis of water use in Colorado's economy : completion report, OWRT project no. B-059-COLO 1975
Economic and environmental principles and guidelines for water and related land resources implementation studies. 1983
Economic and Technical Aspects of the Use of Mathematical Models in State Water Resources Planning Programs. 1970
Economic Base Study of the Mobile-Alabama-Coosa River Basin. 1967
Economic Basis for Water Resources Analysis. 1968
Economic development and environmental quality in the northeastern plateau region of California 1977
Economic Evaluation of the Sport Fishery of the Au Sable River, Michigan. 1973
Economic evaluation of water / 1960
Economic feasibility of selected alternative sources of drinking water for the Eastern Columbia Plateau aquifer system / 1996
Economic Impact of Beaver Lake Reservoir: A Cost Benefit Study. 1972
Economic impacts of changes in salinity levels of the Colorado River / 1974
Economic Incentives: Options for Environmental Protection. 1991
Economic Optimization and Simulation Techniques for Management of Regional Water Resource Systems. 1974
Economic performance of public investments an ex post evaluation of water resources investments 1972
Economic Value of Streams for Fishing. 1969
Economic, Political, and Legal Aspects of Colorado Water Law. 1973
Economics and public policy in water resource development / 1964
Economics in interdisciplinary water resources analysis: a summary of problem areas, delivered at the meeting of the American Water Resources Association, San Francisco, Calif., Nov. 8-10, 1967. 1967
Economics of water resources planning / 1970
Economics of Water Supply and Quality. 1971
Ecoregions of the Pacific Northwest / 1986
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecosystem Charter for the Great Lakes-St. Lawrence Basin. 1994
Ecosystem restoration program plan 1998
Eel River Basin, California : interim report on water resources development for Middle Fork Eel River, California. 1968
Eel River development alternatives. 1969
Eel River development alternatives. Appendix: supporting studies. 1970
EFAB report : household affordability challenges in the water sector. 2016
Effect of Quality Factors on Water Based Recreation in Western Nevada. 1970
Effect of urbanization on the water resources of eastern Chester County, Pennsylvania 1987
Effect of Water Resources on Economic Growth in the Tennessee Valley Region. 1971
Effects of Authorization for Water Impoundments on Shoreland Transition. 1973
Effects of Coal Development in the Northern Great Plains. A Review of Major Issues and Consequences at Different Rates of Development. 1975
Effects of Diminished Groundwater Supplies on Selected New Hampshire Industries. 1973
Effects of Land Use on Municipal Watersheds. 1972
Effects of Reservoir Operating Policy on Recreation Benefits. 1972
Effects of water management on a reach of the Arkansas Valley, La Junta to Las Animas, Colorado / 1963
Effects of Water Management Practices on the Movement of Largemouth Bass. 1973
Efficiency of Data Collection Systems in Hydrology and Water Resources for Prediction and Control. 1971
Eighth Annual Report of the Water Resources Research Institute of the University of Wyoming, August 1, 1972 1972
Electronic Analog Simulation of the Salinity Flow System within the Upper Colorado River Basin, First Annual Progress Report 1968
EMAP : Chesapeake Bay Watershed Pilot Project. 1994
Encyclopedia of water politics and policy in the United States [electronic resource] / 2011
Endangered species : limited effect of consultation requirements on western water projects : report to the Chairman and Ranking Minority Member, Subcommittee on Environmental Protection, Committee on Environment and Public Works, U.S. Senate / 1987
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