Search Results for the EPA National Library Catalog

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Digital simulation and prediction of water levels in the Magothy aquifer in southern Maryland 1977
Digital simulation model of the Aquia aquifer in southern Maryland 1976
Digital-simulation model of the Wenonah-Mount Laurel aquifer in the coastal plain of New Jersey / 1976
Directory of Maryland manufacturers. 0
Directory of Maryland manufacturers. 1984
Directory of mineral producers in Maryland, 1979 1980
Directory, Maryland manufacturers. 1970
Distribution and abundance of waterfowl and submerged aquatic vegetation in Chesapeake Bay 1982
Distribution of contaminants and excess heat in the Bush River and Romney Creek from the proposed Perryman Electric Power Plant. 1976
Distribution of metals in Baltimore harbor sediments / 1974
Distribution of Metals in Elizabeth River Sediments. 1974
Distribution of phytoplankton in Maryland lakes / 1977
Distribution of phytoplankton in Maryland Lakes. 1977
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1984. 1987
Distribution of Submerged Aquatic Vegetation in the Chesapeake Bay and Tributaries, 1985. 1987
Distribution of Submersed Vascular Plants, Chesapeake Bay, Maryland. 1980
District of Columbia Final Total Maximum Daily Loads for Metals in Rock Creek. 2004
Diurnal variations in carbon monoxide concentrations, traffic counts and meteorology / 1977
DOE/FDA/EPA workshop on methylmercury and human health : March 22-23, 1994, Bethesda Marriott, Bethesda, Maryland / 1994
Domestic water use differences in individual well and public water supplies : report III on phase II of the Residential Water Use Research Project 1966
Double Pipe Creek Rural Clean Water Program ten year report 1991 / 1991
Draft : Chesapeake Bay oyster management plan. 1994
Draft environmental impact statement : proposed coastal management program for the State of Maryland / 1978
Draft environmental impact statement and major investment study, section 4(f) evaluation : Intercounty Connector, I-270 to US 1, Montgomery and Prince George's Counties, Maryland. 1997
Draft environmental impact statement for proposed open-water placement of dredged material at site 104, Queen Anne's County, Maryland. 1999
Draft environmental impact/section 4(f) statement for SHA project no.: M0746B11 : MD 97 - Brookeville Project from south of Gold Mine Road to north of Holiday Drive, Montgomery County, Maryland / 2001
Dredging and the disposal of dredged soil, Annapolis, Maryland, November 1, 1978. 1978
Drinking water treatment optimization using the pipe-loop system : demonstration at Aberdeen Proving Ground, MD / 1990
Driving pattern variability and impacts on vehicle carbon monoxide emissions / 1995
Early warning report : main EPA headquarters warehouse in Landover, Maryland requires immediate EPA attention / 2013
Ecological characterization of Delmarva's Great Cypress Swamp Conservation Area : final report / 1999
Ecological Responses to Flow Alteration: A Literature Review Within the Context of the Maryland Hydroecological Integrity Assessment. 2012
Ecological studies in the middle reach of Chesapeake Bay, Calvert Cliffs / 1987
Ecological survey of Piney Narrows Marina 1900
Economic Analysis of Erosion and Sediment Control Methods for Watersheds Undergoing Urbanization. 1972
Economic Growth Analysis System (E-GAS) for EPA Regions 2 and 3 - Mid Atlantic (for Microcomputers). 1994
Economic Growth Analysis System (E-GAS) for EPA Regions 2 and 3 - Mid-Atlantic (for Microcomputers). 1995
Ecoregions of the southeastern states / 1987
Ecosystem Models of the Chesapeake Bay Relating Nutrient Loadings, Environmental Conditions, and Living Resources. Final Report. (May 1, 1998-April 30, 1999). 2000
Ecosystem Models of the Patuxent River Estuary Relating Nutrient Loading to Production of Selected Fish Populations. Final Report, Year 1. 1994
Effects of ocean disposal activities on mid-continental shelf environment of Delaware and Maryland / 1974
Effects of ocean dumping activity, mid-Atlantic bight, 1976 : interim report / 1977
Effects of sewage pollution on fishes in Upper Patuxent River 1967
Effects of suspended solids on selected estuarine plankton 1976
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1971
Effects of thermal pollution on productivity and stability of estuarine communities 1971
Effects of urbanization on streamflow and sediment transport in the Rock Creek and Anacostia River basins, Montgomery County, Maryland, 1962-74 / 1978
Effects of withdrawals on ground-water levels in southern Maryland and the adjacent Eastern Shore, 1980-2005 / 2007
Effluent Toxicity Monitoring Methodology Evaluated for Five Industrial Dischargers. 1987
EMAP : Chesapeake Bay Watershed Pilot Project. 1994
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