Geohydrology and water quality of stratified-drift aquifers in the Saco and Ossipee River basins, east-central New Hampshire
R. B. Moore, Laura Medalie
1995, Water-Resources Investigations Report 94-4182
Stratified-drift aquifers discontinuously underlie 152.5 square miles of the Saco and Ossipee River Basins, which have a total drainage area of 869.4 square miles. Saturated thicknesses of stratified drift in the study area are locally greater than 280 feet, but generally are less. Transmissivity locally exceeds 8,000 feet squared per...
Geochemical processes in ground water resulting from surface mining of coal at the Big Sky and West Decker Mine areas, southeastern Montana
D.W. Clark
1995, Water-Resources Investigations Report 95-4097
A potential hydrologic effect of surface mining of coal in southeastern Montana is a change in the quality of ground water. Dissolved-solids concen- trations in water in spoils aquifers generally are larger than concentrations in water in the coal aquifers they replaced; however, laboratory experiments have indicated that concentrations can...
Water Budget for the Kohala Area, Island of Hawaii
Patricia J. Shade
1995, Water-Resources Investigations Report 95-4114
Ground-water recharge is estimated as the residual component of a monthly water budget calculated using long-term average rainfall, streamflow and pan evaporation data, and soil and vegetation characteristics. The water-budget components are defined seasonally, through the use of the monthly water budget, and spatially by topographic and geologic areas, through...
Numerical Simulation of Regional Changes in Ground-Water Levels and in the Freshwater-Saltwater Interface Induced by Increased Pumpage at Barbers Point Shaft, Oahu, Hawaii
William R. Souza, William Meyer
1995, Water-Resources Investigations Report 95-4206
The effect on the regional ground-water system of southern Oahu from increased pumpage at Barbers Point shaft was estimated by a numerical ground-water model developed for the Oahu Regional Aquifer Systems Analysis (RASA) study. The RASA model was updated by revising pumping and ground-water recharge data. Pumpage data used in...
Simulation of streamflow and sediment transport in two surface-coal-mined basins in Fayette County, Pennsylvania
J. I. Sams III, E. C. Witt III
1995, Water-Resources Investigations Report 92-4093
The Hydrological Simulation Program - Fortran (HSPF) was used to simulate streamflow and sediment transport in two surface-mined basins of Fayette County, Pa. Hydrologic data from the Stony Fork Basin (0.93 square miles) was used to calibrate HSPF parameters. The calibrated parameters were applied to an HSPF model of the...
Simulated effects of proposed ground-water pumping in 17 basins of east-central and southern Nevada
D. H. Schaefer, J. R. Harrill
1995, Water-Resources Investigations Report 95-4173
The Las Vegas Valley Water District filed 146 applications in 1989 to pump about 180,800 acre- ft/yr in 17 basins for use in Las Vegas Valley. A previously constructed, two-layer computer model of the carbonate-rock province area was configured to simulate transient conditions and used to develop first approximations of...
A computerized data base of nitrate concentrations in Indiana ground water
M.R. Risch, D.A. Cohen
1995, Open-File Report 95-468
As part of a cooperative study with the Indiana Department of Environmental Management, the U.S. Geological Survey compiled a computerized data base of nitrate concentrations in Indiana ground water. The data included nitrate determinations from more than 29 studies by five Federal and State agencies during June 1973 through August...
Geochemical processes and the effects of natural organic solutes on the solubility of selenium in coal-mine backfill samples from the Powder River basin, Wyoming
R.B. See, K.J. Reddy, G.F. Vance, A.A. Fadlelmawla, M.J. Blaylock
1995, Water-Resources Investigations Report 95-4200
Geochemical processes and the effects of natural organic solutes on the solubility of selenium in coal-mine backfill aquifers were investigated. Backfill and ground-water samples were collected at coal mines in the Powder River Basin, Wyoming. Backfill was generally dominated by aluminum (14,400 to 49,000 mg/kg (milligrams per kilogram)), iron (3,330...
Geohydrology and water quality of the Durham Center Area, Durham, Connecticut
R.L. Melvin, J. R. Stone, P. A. Craft, J.W. Lane Jr., B.S. Davies III
1995, Water-Resources Investigations Report 94-4237
Contaminated ground water is widespread and persistent beneath the Durham Center area in the town of Durham, Conn. Most of the contaminants are organic halides, usually trichloroethene, 1,1,1-trichloroethane, and tetrachloroethene. Less extensive chemical contamination of surface water, soil, and glacial sediments also has been detected. Two manufacturing companies, located at...
Base-flow characteristics of streams in the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia
D.L. Nelms, G.E. Harlow Jr., Donald C. Hayes
1995, Open-File Report 95-298
Growth within the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces of Virginia has focused concern about allocation of surface-water flow and increased demands on the ground-water resources. The purpose of this report is to (1) describe the base-flow characteristics of streams, (2) identify regional differences in these flow...
Potential hazards from flood in part of the Chalone Creek and Bear Valley drainage basins, Pinnacles National Monument, California
Robert W. Meyer
1995, Open-File Report 95-426
Areas of Chalone Creek and Bear Valley drainage basins in Pinnacles National Monument, California, are subject to frontal storms that can cause major flooding from November to April in areas designated for public use. To enhance visitor safety and to protect cultural and natural resources, the U.S. Geological Survey in...
Organic geochemical analysis and thermochronologic modeling of potential petroleum source rocks in the Malheur, Jordan and Andrews resource areas, southeastern Oregon
C.E. Barker
1995, Open-File Report 95-637
Evaluating barnyard Best Management Practices in Wisconsin using upstream-downstream monitoring
Todd D. Stuntebeck
1995, Fact Sheet 221-95
The Nonpoint Source Water Pollution Abatement Program was created in 1978 by the Wisconsin Legislature. The goal of the program is to improve and protect the water quality of lakes, streams, wetlands, and ground water within selected priority watersheds by controlling sources of nonpoint pollution. For each selected watershed, the...
Geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin, south-central New Hampshire
Joseph D. Ayotte, Kenneth W. Toppin
1995, Water-Resources Investigations Report 92-4192
The U.S. Geological Survey, in cooperation with the State of New Hampshire, Department of Environmental Services, Water Resources Division has assessed the geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin in south-central New Hampshire. The middle Merrimack River basin drains 469 square miles; 98 square...
Relation of nitrate concentrations in ground water to well depth, well use, and land use in Franklin Township, Gloucester County, New Jersey, 1970-85
Cecilia Louise MacLeod, T. H. Barringer, E. F. Vowinkel, C. V. Price
1995, Water-Resources Investigations Report 94-4174
A water-quality data base was developed to permit the investigation of the relation of concentrations of nitrate (as nitrogen) in ground water to well depth, well use, and land use (agricultural, residential, urban nonresidential, and undeveloped) in Franklin Township. Nitrate concentrations in water from 868 wells tended to decrease with...
Preliminary geologic map of the Piru 7.5' quadrangle, southern California: A digital database
R. F. Yerkes, Russell H. Campbell
1995, Open-File Report 95-801
This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map...
Preliminary geologic map of the Val Verde 7.5' quadrangle, southern California: A digital database
R. F. Yerkes, Russell H. Campbell
1995, Open-File Report 95-699
This Open-File report is a digital geologic map database. A pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map...
Geohydrology, water quality, and conceptual model of the hydrologic system Saco Landfill area, Saco, Maine
M.G. Nielsen, J. R. Stone, B. P. Hansen, J.P. Nielsen
1995, Water-Resources Investigations Report 95-4027
A geohydrologic study of the Saco Municipal Landfill in Saco, Maine, was done during 1993-94 to provide a preliminary interpretation of the geology and hydrology needed to guide additional studies at the landfill as part of the Superfund Program. The Saco Landfill, which was active from the early 1960's until...
Listings of model input and selected output values for the simulation of ground-water flow near Los Alamos, North-central New Mexico
P. F. Frenzel
1995, Open-File Report 95-768
This report contains listings of model input and selected output values for the simulation of ground-water flow near Los Alamos, north- central New Mexico. This simulation was developed by the U.S. Geological Survey in cooperation with Los Alamos National Laboratory (Frenzel, P.F., 1995, Geohydrology and simulation of ground-water flow near Los...
Preliminary grade and volume model of alluvial Sn-Au placers
J. D. Bliss, W. D. Menzie
1995, Open-File Report 95-649
Surface-geophysical techniques used to detect existing and infilled scour holes near bridge piers
Gary Placzek, F.P. Haeni
1995, Water-Resources Investigations Report 95-4009
Surface-geophysical techniques were used with a position-recording system to study riverbed scour near bridge piers. From May 1989 to May 1993. Fathometers, fixed- and swept-frequency con- tinuous seismic-reflection profiling (CSP) systems, and a ground-penetrating radar (GPR) system were used with a laser-positioning system to measure the depth and extent of...
Hydrology of Laguna Joyuda, Puerto Rico
Luis Santiago-Rivera, Vicente Quinones-Aponte
1995, Water-Resources Investigations Report 93-4135
A study was conducted by the U.S. Geological Survey to define the hydraulic and hydrologic characteristics of the Laguna Joyuda system (in southwestern Puerto Rico) and to determine the water budget of the lagoon. This shallow-water lagoon is connected to the sea by a single canal. Rainfall and evaporation, surface-water,...
Hydrogeology of the North Coast Limestone aquifer system of Puerto Rico
Jesús Rodríguez-Martínez
1995, Water-Resources Investigations Report 94-4249
The North Coast Limestone aquifer system of Puerto Rico is composed of three regional hydrogeologic units: an upper aquifer that contains an underlying saltwater zone near the coast, a middle confining unit, and a lower aquifer. The upper aquifer is unconfined, except in coastal areas where it is locally confined...
Kinematic and subsidence modeling of the north-central Brooks Range and North Slope of Alaska
Frances E. Cole, K. J. Bird, Jaime Toro, Francois Roure, D. G. Howell
1995, Open-File Report 95-823
Use of surface and borehole geophysics to delineate the glacial-drift stratigraphy of northeastern St. Joseph County, Indiana
E. Randall Bayless, David B. Westjohn, Lee R. Watson
1995, Water-Resources Investigations Report 95-4041
Inverse models of direct current electrical- resistivity sounding data and normal-resistivity and natural-gamma logs were used to assist delineation of the glacial-drift stratigraphy in a 580-square- kilometer area of northeastern St. Joseph County, Indiana. Unconsolidated deposits in the study area are composed of glacial-drift, including outwash, till, and lacustrine sediments;...
