Search Results for the EPA National Library Catalog

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Scheme for calculating flow in fractures using numerical grid generation in three-dimensional domains of complex shapes 1988
Selected Annotated Bibliography on Columbia and Snake Rivers. 1973
Selected geohydrologic characteristics of the Patapsco aquifers at Chalk Point, Prince Georges County, Maryland 1988
Sensitivity of Groundwater Flow Models to Vertical Variability of Aquifer Constants. 1972
Simulated Effects of Wastewater-Management Actions on the Hydrologic System and Nitrogen-Loading Rates to Wells and Ecological Receptors, Popponesset Bay Watershed, Cape Cod, Massachusetts. 2013
Simulated ground-water flow in the Hueco Bolson, an alluvial-basin aquifer system near El Paso, Texas / 2003
Simulated interaction between freshwater and saltwater and effects of ground-water pumping and sea-level change, lower Cape Cod aquifer system, Massachusetts 2004
Simulation of Coupled Leaky Aquifers and Surface-Water System. 1973
Simulation of effects of wastewater discharges on Sand Creek and lower Caddo Creek near Ardmore, Oklahoma 1999
Simulation of groundwater flow in the "1,500-foot" sand and "2000-foot" sand, with scenarios to mitigate saltwater migration in the '2000-foot" sand, of the Baton Rouge Area, Louisiana / 2014
Simulation of the Transport of Ion-Exchanging Solutes Using Laboratory-Determined Chemical Parameter Values. 1981
Simulations of flow in the Edwards-Trinity aquifer system and contiguous hydraulically connected units, west-central Texas / 1994
Some Seismic Measurements on the Virginia Coastal Plain. An Evaluation STUDY. 1971
Sonoma County solid waste stablization study / 1975
Spatial distribution, temporal variability, and chemistry of the salt wedge in the lower Charles River, Massachusetts, June 1998 to July 1999 / 2000
SRS geology/hydrogeology environmental information document 1995
Stable Sulfur Isotopes of Sulfate in Precipitation and Stream Solutions in a Northern Hardwood Watershed. 1992
State Water Resources Control Board Groundwater "Hot Spots" Project well testing and site characterization, Gilroy area; final report / 1986
State Water Resources Control Board Groundwater "Hot Spots" Project well testing and site characterization, Los Angeles Area; final report / 1986
State Water Resources Control Board Groundwater "Hot Spots" Project well testing and site characterization, Salinas Area; final report / 1986
State Water Resources Control Board Groundwater "Hot Spots" Project well testing and site characterization, Santa Maria Valley; final report / 1986
Storage of low-level radioactive wastes in the ground : hydrogeologic and hydrochemical factors ; with an appendix on the Maxey Flats, Kentucky, radioactive waste storage site ... / 1974
Strategies for field calibration and validation of groundwater models 1992
Strontium, Calcium and the Istopic Composition of Strontium in Underground Waters from the Scioto River Basin, Ohio. 1973
Submarine Spring Explorations. Northwest Coast of Puerto Rico. 1971
Subsurface water pollution : a selective annotated bibliography. 1972
Subterranean hydrology 1981
Suggested operating procedures for aquifer pumping tests / 1993
Summary of hydrogeologic controls on ground-water flow at the Nevada Test Site, Nye County, Nevada 1996
Summary of hydrogeologic data from a deep (2,678 ft.) well at Lexington Park, St. Mary's County, Maryland 1984
Summary of hydrogeologic data from a test well (1,725 ft.) drilled in Tuckahoe State Park, Queen Anne's County, Maryland 1987
Summary of public water-supply withdrawals and geohydrologic data for the lower Connecticut River Valley from Windsor to Vernon, Vermont 1989
Summary of the ground-water resources and geohydrology of Grand County, Utah 1999
Superfund record of decision : Ossineke Groundwater Contamination, MI : first remedial action - final. 1991
Support document for designation of the Lewiston Basin Aquifer as a sole source aquifer 1988
Support document for sole source aquifer designation of the Bainbridge Island Aquifer System / 2013
Surface geophysical techniques for aquifers and wellhead protection area delineation / 1987
Surface-water quality assessment of the North Fork Red River basin upstream from Lake Altus, Oklahoma, 2002 / 2003
Surface-water/ground-water interaction of the Spokane River and the Spokane Valley/Rathdrum Prairie aquifer, Idaho and Washington / 2003
Survey of Sr87/Sr86 Ratios in Stream and Ground Waters of Ohio. 1971
Symposium on Geochemistry of Groundwater : 26th International Geological Congress, Paris, 1980 1982
Techniques to determine spatial variations in hydraulic conductivity of sand and gravel / 1991
Test holes for monitoring surface-water/ground-water relations in the Cottonwood Creek area, Shasta and Tehama counties, California, 1984-85 / 1989
The Cerrillos uplift, the La Bajada Constriction, and hydrogeologic framework of the Santo Domingo Basin, Rio Grande rift, New Mexico. [electronic resource] 2006
The effects of the Chesapeake Bay impact crater on the geologic framework and the correlation of hydrogeologic units of southeastern Virginia, south of the James River / 2000
The Establishment of a groundwater research data center for validation of subsurface flow and transport models / 1989
The Functional assessment of selected wetlands of Chincoteague Island, Virginia / 1986
The geochemistry of natural waters / 1982
The geochemistry of natural waters : surface and groundwater environments / 1997
The geologic and hydrogeologic conditions in the area adjacent to the Devils Lake wastewater impoundments / 1992
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