Search Results for the EPA National Library Catalog

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Showing: Items 3101 - 3150
Your Search: (SUBJECT=Groundwater)


 
 
 
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Occurrence, quality, and quantity of ground water in Wilbarger County, Texas / 1979
Occurrence, quantity, and quality of ground water in Taylor County, Texas 1978
Office of Ground Water and Drinking Water publications. 1995
OGWDW employee handbook / 1997
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: critical flood design criteria. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: design and maintenance of trashracks for pipe and riser spillways. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: embankment instabilities. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: ground cover. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: lake drains. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: open channel spillways (concrete chutes and weirs). 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: open channel spillways (earth and rock). 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: outlet erosion control structures (stilling basins). 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: probable maximum flood. 1995
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: seepage through earthen dams. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: spillway conduit system problems. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : dam safety: upstream slope protection. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : evaluating ground water pollution potential in Ohio. 2006
Ohio Department of Natural Resources, Division of Water fact sheet : ground water level monitoring in Ohio. 2004
Ohio Department of Natural Resources, Division of Water fact sheet : ground water quality. 1997
Ohio Department of Natural Resources, Division of Water fact sheet : ground water resource mapping in Ohio. 2004
Ohio Department of Natural Resources, Division of Water fact sheet : natural benefits of floodplains. 2005
Ohio Department of Natural Resources, Division of Water fact sheet : Ohio & Erie Canal/hydraulic operations. 1997
Ohio Department of Natural Resources, Division of Water fact sheet : potentiometric surface mapping in Ohio. 2005
Ohio Department of Natural Resources, Division of Water fact sheet : precipitation in Ohio. 1992
Ohio Department of Natural Resources, Division of Water fact sheet : remediation alternatives. 2002
Ohio Department of Natural Resources, Division of Water fact sheet : the community rating system and flood hazard mitigation. 1997
Ohio Department of Natural Resources, Division of Water fact sheet : the hydrologic cycle. 1999
Ohio Department of Natural Resources, Division of Water fact sheet : the Ohio canal system. 1992
Ohio Department of Natural Resources, Division of Water fact sheet : understanding your flood risk. 2008
Ohio Department of Natural Resources, Division of Water fact sheet : well construction in a buried valley. 1997
Ohio nonpoint source management program : executive summary. 1988
Ohio water resource inventory / 1992
Ohio's Water Quality Program : Executive Summary. 1999
On-farm program for salinity control : final report of the Grand Valley salinity study / 1977
On-Site sewage and graywater treatment systems : discussion paper. LOTT wastewater resource management plan / 1996
Ontario Ministry of the environment, Detroit, St. Clair, St. Mary's Rivers project : regional characterization and waste site inventory : final report / 1986
Operating results from an integrated soil and groundwater remediation system : selected for the Superfund Innovative Technology Evaluation Program / 1993
Operators compliance manual for Class II injection wells 1985
Operators compliance manual for class II injection wells in Pennsylvania / 1984
Operators compliance manual for class III injection wells in Pennsylvania / 1984
Optimal operation of soil aquifer treatment systems under uncertainty / 1995
Optimized groundwater extraction sytem for the toxic burning pits area of J-field, Aberdeen Proving Ground, Maryland 1996
Options for the Office of Ground Water and Drinking Water information strategy (working draft) / background document for the information strategy stakeholders meeting. 2001
ORD ground water research plan : strategy for 1991 and beyond. 1990
Oregon ground-water quality and its relation to hydrogeologic factors : a statistical approach / 1984
Organic and inorganic contaminants in shallow groundwater at six municipal landfills in North Dakota / 1992
Organic compounds entering ground water from a landfill / 1974
Organic qualities of groundwaters 1980
Organic sponges for cost-effective CVOC abatement : final report, September 1992 - April 1994 / 1994
Origin of mineralized water in Precambrian rocks of the Upper Paraíba Basin, Paraíba, Brazil / 1972
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