Data on observation wells, ground-water levels, and ground-water quality for the stratified-drift aquifer in the northwestern basin of Country Pond, Kingston, New Hampshire
P. J. Stekl
1994, Open-File Report 93-658
Observation-well, ground-water-level, and ground- water-quality data were collected for a study of ground-water contamination in stratified drift at Country Pond in Kingston, New Hampshire. The report includes drilling records for 30 wells installed at various depths in stratified drift beneath Country Pond. Ground-water levels are recorded for nine wells drilled...
Bibliography of selected water-resources publications on Nevada by the U.S. Geological Survey, 1885 through 1993
R.L. Bunch
1994, Open-File Report 94-53
Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in October 1993 : T-127 (trace constituents), M-128 (major constituents), N-40 (nutrients), N-41 (nutrients), P-21 (low ionic strength), Hg-17 (mercury), AMW-3 (acid mine water), and WW-1 (whole water)
H.K. Long, J.W. Farrar
1994, Open-File Report 94-42
This report presents the results of the U.S. Geological Survey's analytical evaluation program for eight standard reference samples--T-127 (trace constituents), M-128 (major constituents), N-40 (nutrients), N-41 (nutrients), P-21 (low ionic strength), Hg-17 (mercury), AMW-3 (acid mine water), and WW-1 (whole water)--that were distributed in October 1993 to 158 laboratories registered...
Documentation of a computer program to simulate transient leakage from confining units using the modular finite-difference, ground-water flow model
S. A. Leake, P.P. Leahy, A. S. Navoy
1994, Open-File Report 94-59
Transient leakage into or out of a compressible fine-grained confining unit results from ground- water storage changes within the unit. The computer program described in this report provides a new method of simulating transient leakage using the U.S. Geological Survey modular finite- difference ground-water flow model (MODFLOW). The new...
Five computer programs for testing weighted residuals and calculating linear confidence and prediction intervals on results from the ground-water parameter-estimation computer program MODFLOWP
M. C. Hill
1994, Open-File Report 93-481
Particle-tracking analysis of contributing areas of public-supply wells in simple and complex flow systems, Cape Cod, Massachusetts
P. M. Barlow
1994, Open-File Report 93-159
Steady-state, two-and three-dimensional, ground-water flow models coupled with a particle- tracking program were evaluated to determine their effectiveness in delineating contributing areas of existing and hypothetical public-supply wells pumping from two contrasting stratified-drift aquifers of Cape Cod, Mass. Several of the contri- buting areas delineated by use of the three-...
Flood of June 17, 1990, in the Clear Creek Basin, east-central Iowa
K.K. Barnes, D. A. Eash
1994, Open-File Report 94-78
A water-surface-elevation profile for the flood of June 17, 1990, in the Clear Creek Basin, east-central Iowa, is given in this report. The maximum flood-peak discharge of 10,200 cubic feet per second for the streamflow-gaging station on Clear Creek near Coralville, Iowa (station number 05454300), occurred on June 17, 1990....
Annotated bibliography of selected references on ground-water resources and geohydrology of the Louisville area, Kentucky, 1944-93
J.J. Starn, D. S. Mull
1994, Open-File Report 94-75
Ground water resources in the Louisville area have long been the subject of intense research and investigation. Many investigations have resulted in reports that cover a variety of topics relative to the availability and use of ground water. This bibliography was prepared because of the continued interest in...
Total water withdrawals in Mississippi, 1990
P.M. Johnson
1994, Open-File Report 93-375
During 1990, the amount of water withdrawn from ground- and surface-water sources in Mississippi was about 3,600 Mgal/d (million gallons per day). Of this amount, 91 percent, or 3,300 Mgal/d, was withdrawn from freshwater sources. Of the total freshwater withdrawals, about 82 percent, or 2,700 Mgal/d, was withdrawn from ground-water...
Operational Procedures for Collecting Water-Quality Samples at Monitoring Sites on Maple Creek Near Nickerson and the Platte River at Louisville, Eastern Nebraska
Steven M. Johnson, Robert B. Swanson
1994, Open-File Report 94-121
Prototype stream-monitoring sites were operated during part of 1992 in the Central Nebraska Basins (CNBR) and three other study areas of the National Water-Quality Assessment (NAWQ) Program of the U.S. Geological Survey. Results from the prototype project provide information needed to operate a net- work of intensive fixed station stream-monitoring...
Selected ground-water information for the Columbia Plateau Regional Aquifer System, Washington and Oregon, 1982-1985; Volume III, Ground-water quality data
R. J. Wagner, R. C. Lane
1994, Open-File Report 93-359
The data report presents ground-water information collected and analyzed as part of the U.S. Geological Survey's Columbia Plateau Regional Aquifer-System Analysis Program. The information was gathered from July 1982 through September 1985 in the part of the aquifer system located in central and eastern Washington and north-central and northeastern Oregon....
Verification of a national water data base using a geographic information system
H.E. Harrison
1994, Open-File Report 94-51
The National Water Data Exchange (NAWDEX) was developed to assist users of water-resource data in the identification, location, and acquisition of data. The Master Water Data Index (MWDI) of NAWDEX currently indexes the data collected by 423 organizations from nearly 500,000 sites throughout the United Stales. The utilization of new...
Effects of agricultural land-management practices on water quality in northeastern Guilford County, North Carolina, 1985-90
D.A. Harned
1994, Open-File Report 94-60
The effects of different agricultural land-management practices on sediment, nutrients, and selected pesticides in surface water, and on nutrients and pesticides in ground water were studied in four small basins in the Piedmont of North Carolina. The basins included two adjacent basins in row-crop fields, a mixed land-use basin, and...
Radionuclides, inorganic constituents, organic compounds, and bacteria in water from selected wells and springs from the southern boundary of the Idaho National Engineering Laboratory to the Hagerman area, Idaho, 1992
R. C. Bartholomay, D.D. Edwards, L.J. Campbell
1994, Open-File Report 94-76
Dissolved concentrations of radon-222, a naturally occurring radioactive gas, are found in water in Idaho. The U.S. Geological Survey collected water samples for radon-222 analyses from 339 Idaho wells and springs during 1989-91. These water samples were collected as part of ongoing monitoring programs with the Idaho Department...
Ground-water conditions in Georgia, 1993
C. N. Joiner, A. M. Cressler
1994, Open-File Report 94-118
Ground-water conditions during 1993 and recent ground-water level and quality trends in Georgia were evaluated using data from precipitation, ground-water, and ground-water quality monitoring networks. Data for 1993 included in this report are from precipitation records from 10 National Weather Service stations, continuous water-level records from 72 wells, and...
Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma
C.J. Becker
1994, Open-File Report 94-41
Aquifers are the primary source of water for drinking and agricultural purposes in western Oklahoma. Health concerns about consuming nitrogen and an increased reliance on ground water for drinking necessitate a better understanding of the cause and effect of contamination from nutrients. The purpose of this project was to compile...
Hydrologic data for the Big Spring basin, Clayton County, Iowa, water year 1991
S. J. Kalkhoff, R.L. Kuzniar
1994, Open-File Report 94-56
Hydrologic data were collected in the Big Spring Basin located in Clayton County, Iowa, during the 1991 water year. The data were collected by the U.S. Geological Survey in cooperation with the Iowa Department of Natural Resources, Geological Survey Bureau, to provide information on variation and movement of agricultural chemicals...
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of antimony by automated-hydride atomic absorption spectrophotometry
G.E. Brown, B.J. McLain
1994, Open-File Report 93-664
The analysis of natural-water samples for antimony by automated-hydride atomic absorption spectrophotometry is described. Samples are prepared for analysis by addition of potassium and hydrochloric acid followed by an autoclave digestion. After the digestion, potassium iodide and sodium borohydride are added automatically. Antimony hydride (stibine) gas is generated, then swept...
Ground-water quality for Grainger County, Tennessee
J.D. Weaver, A.R. Patel, A.C. Hickey
1994, Open-File Report 93-365
The residents of Grainger County depend on ground water for many of their daily needs including personal consumption and crop irrigation. To address concerns associated with ground-water quality related to domestic use, the U.S. Geological Survey collected water samples from 35 wells throughout the county during the summer 1992....
Biology as an integrated component of the U.S. Geological Survey's National Water-Quality Assessment Program
Michael R. Meador, Martin E. Gurtz
1994, Open-File Report 94-83
The U.S. Geological Survey?s (USGS) National Water-Quality Assessment (NAWQA) Program is designed to integrate chemical, physical, and biological data to assess the status of and trends in the Nation?s water quality at local, regional, and national levels. The Program consists of 60 study units (major river basins and large parts...
Oklahoma; a summary of activities of the U.S. Geological Survey, Water Resources Division in fiscal years 1991-92
J. S. Havens (compiler)
1994, Open-File Report 94-38
This report summarizes the activities of the Oklahoma District, Water Resources Division, U.S. Geological Survey, for fiscal years 1991-92. Included are summary statements of current and recently completed projects. The focus of water- resources studies has changed as awareness of the vulnerability of water resources to contamination has joined continuing...
Remote sensing and airborne geophysics in the assessment of natural aggregate resources
D. H. Knepper Jr., W. H. Langer, S.H. Miller
1994, Open-File Report 94-158
Natural aggregate made from crushed stone and deposits of sand and gravel is a vital element of the construction industry in the United States. Although natural aggregate is a high volume/low value commodity that is relatively abundant, new sources of aggregate are becoming increasingly difficult to find and develop because of rigid industry...
National Water-Quality Assessment program; southern Florida study unit
B. F. McPherson
1994, Open-File Report 94-57
Efficacy of heavy-metal capture by clinoptilolite-rich rocks from heavy-metal-polluted water in five drainages in Colorado
G. A. Desborough
1994, Open-File Report 94-140
Crude-oil spill research project near Bemidji, Minnesota - Bibliography, 1984-1994
S. E. Smith, M. F. Hult
1994, Open-File Report 93-373
The U.S. Geological Survey began a research project at the site of a crude-oil spill near Bemidji, Minnesota in 1983. The project is part of the U.S. Geological Survey's Toxic Substances Hydrology Program. The objectives of research at the site are to obtain an understanding of the mobilization, transport, and...
