Search Results for the EPA National Library Catalog

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Agricultural nonpoint source pollution : watershed management and hydrology / 2001
Agricultural NPS Control of Phosphorus in the New York State, Lake Ontario Basin. Volume 1. Delivery of Phosphorus to Lake Ontario from Cultivated Mucklands in Oak Orchard Creek Watershed. 1991
Agricultural NPS Control of Phosphorus in the New York State, Lake Ontario Basin. Volume 2. Fertilizer Trials on Organic Soils in the Lake Ontario Drainage Basin. 1991
Agricultural runoff management (ARM) model version II : refinement and testing / 1977
Agricultural watershed studies, Great Lakes drainage basin, Canada : final report / 1977
Agricultural watershed studies, Great Lakes drainage basin, Canada : final summary report / 1978
Agriculture and phosphorus management : the Chesapeake Bay / 2000
Agriculture and the environment : information on and characteristics of selected watershed projects : report to the Committee on Agriculture, Nutrition, and Forestry, U.S. Senate / 1995
Agriculture and the environment : information on and characteristics of selected watershed projects : report to the Committee on Agriculture, Nutrition, and Forestry, U.S. Senate / 1995
Agriculture non-point source pollution control : good management practices--the Chesapeake Bay experience / 2003
AGWA (Automated Geospatial Watershed Assessment) Design Documentation: Migrating to ArcGis(Trade Name) and the Internet. 2005
AGWA design documentation : migrating to ArcGIS and the Internet / 2005
Alameda Creek Watershed : historical ecology study / 2013
Alameda Watershed management plan : {draft} / 1998
Albemarle-Pamlico Estuary Program : taking control of nonpoint source pollution. 2001
Alsea watershed study : effects of logging on the aquatic resources of three headwater streams of the Alsea River, Oregon / 1975
Alsea Watershed study : Summary report / 1961
Alsea watershed study : to determine the effects of logging on aquatic resources / 1967
Alternative futures analysis of Farmington Bay Wetlands in the Great Salt Lake Ecosystem [electronic resource]. 2010
Alternative waste water treatment : conference proceedings / 1995
American shad in the Susquehanna River Basin : a three-hundred-year history / 1998
Ammonia and the Chesapeake Bay Airshed / 1997
An Act to Amend the Federal Water Pollution Control Act to Authorize the Administrator of the Environmental Protection Agency to Carry Out Projects and Conduct Research for Remediation of Sediment Contamination in Areas of Concern in the Great Lakes, and for Other Purposes. 2002
An Analysis of municipal and industrial water supply in the Willamette Basin, Oregon. 1965
An analysis of survey data on the chemistry of twenty-three streams in the Chesapeake Bay watershed : some implications of the impact of acid deposition / 1983
An analysis of vegetation communities in the Lower Columbia River Basin / 1979
An appraisal of potential water salvage in the Lake McMillan delta area, Eddy County, New Mexico / 1974
An appraisal of water pollution in the Lake Superior Basin. 1969
An Appraisal of water pollution in the Lake Superior Basin. 1970
An assessment of community-based adaptive watershed management in three Umpqua Basin Watersheds / 1999
An assessment of the effects of human-caused air pollution on resources within the interior Columbia River basin / 1999
An ecological assessment of the Louisiana Tensas River Basin / 1999
An ecological characterization of the Caloosahatchee River/Big Cypress watershed / 1985
An economic benefit analysis for abandoned mine drainage remediation in the West Branch Susquehanna River watershed, Pennsylvania / 2008
An ecosystem charter for the Great Lakes-St. Lawrence Basin : addendum, signatories and statements. 1997
An evaluation of oxygen sag parameters in Monongahela River water under varying pH / 1966
An evaluation of the cost of point source nitrogen limits of treatment implementation in the Chesapeake Bay watershed / 2001
An evaluation of the effects of anthropogenic activity on streamflow in the Columbia River Basin / 1997
An indexed annotated bibliography of the rare fishes of the upper Missouri River system / 1977
An intensive survey of the Cache River Basin, summer 1992 / 1995
An investigation of alternative means of achieving water quality objectives / 0
An investigation of pollution in the Green-Duwamish River / 1955
An investigation of pollution in the lower Columbia River Basin / 1951
An investigation of the physical thermal effects of once-through cooling for steam electric plants on the upper missouri river : a joint utility - EPA study performed in conjunction with the NGPRP. 1975
An overview of EPA's watershed model BASINS and related federal spatial data products / 1997
Anacostia Ecosystem Initiative : environmental awareness program at Kramer Middle School / 1997
Anacostia rebirth : restoration for the river, risk reduction for the community. 1997
Anacostia water quality report : 1987-1990 / 1994
Analyses and measured sections of seven coal samples from the Rock Springs district, Green River Basin coal field, southwestern Wyoming / 1988
Analysis of biogeochemical cycling processes in Walker Branch Watershed / 1989
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