Ground-water conditions in Las Vegas Valley, Clark County, Nevada; Part II, Hydrogeology and simulation of ground-water flow
D. S. Morgan, M. D. Dettinger
1994, Open-File Report 90-179
Groundwater withdrawals in Las Vegas Valley, Nevada, primarily for municipal supplies, totaled more than 2.5 million acre-ft between 1912 and 1981, with a peak annual withdrawal rate of 88,000 acre-ft in 1968. Effects of heavy pumping are evident over large areas of the valley but are more pronounced near...
Soil carbon and nitrogen data set for a soil sequence disturbed by timber harvest, Blodgett Experimental Forest, Georgetown, California
T.A. Black, J.W. Harden
1994, Open-File Report 94-188
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...
Activities of the Water Resources Division, California District, fiscal year 1993
M. L. DeBortoli (compiler)
1994, Open-File Report 94-67
This report summarizes the progress of water- resources studies in California by the U.S. Geological Survey during fiscal year 1993. Much of the work was done in cooperation with State and local agencies. Additional supporting funds were transferred from other Federal agencies or appropriated directly to the U.S. Geological Survey....
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...
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...
Simple Bouguer gravity anomaly maps of the Venezuelan Guayana Shield, Southeast Venezuela
Kevin R. Bond, J. C. Wynn
1994, Open-File Report 94-165
Earthquake hazards mitigation; using science for safety decisions
R. L. Bernknopf, D. R. Soller
1994, Open-File Report 94-172
National Water Quality Laboratory, 1994 services catalog
P.J. Timme
1994, Open-File Report 94-304
This Services Catalog contains information about field supplies and analytical services available from the National Water Quality Laboratory in Denver, Colo., and field supplies available from the Quality Water Service Unit in Ocala, Fla., to members of the U.S. Geological Survey's Water Resources Division. To assist personnel in the selection...
South Cascade Glacier, Washington; hydrologic and meteorological data, 1957-67
M.E. Sullivan
1994, Open-File Report 94-77
Historic hydrologic and meteorological data are compiled for South Cascade Glacier, Washington, USA, a site selected by the U.S. Geological Survey for long-term study of the response of a glacier to climate change and its effect on water resources. The data consist of stream discharge and meteorological data, including precipitation,...
Water-resources activities of the U.S. Geological Survey in Kansas; fiscal years 1992 and 1993, and plans for fiscal year 1994
K. A. Powell (compiler)
1994, Open-File Report 94-89
A hydrogeochemical survey for mineralized breccia pipes: Data from springs, wells, and streams on the Hualapai Indian Reservation, northwestern Arizona
K. J. Wenrich, S. Q. Boundy, R. M. Aumente-Modreski, S. P. Schwarz, H. B. Sutphin, J.M. Been
1994, Open-File Report 93-619
No abstract available....
Potentiometric surfaces of the upper Floridan Aquifer, Valdosta area, Georgia June 3-4, 1991 and March 29 to April 2, 1993
Alan M. Cressler
1994, Open-File Report 93-361
No abstract available. ...
Organic petrographic and Rock-Eval pyrolysis analyses of Proterozoic belt supergroup rocks, west central Montana
M. J. Pawlewicz
1994, Open-File Report 94-155
Overview of environmental and hydrogeologic conditions at McGrath, Alaska
J.M. Dorava
1994, Open-File Report 94-119
The remote village of McGrath along the Kuskokwim River in southwestern Alaska has long cold winters and short summers. The village is located on the flood plain of the Kuskokwim River and obtains drinking water for its 533 residents from the Kuskokwim River. Surface spills and disposal of hazardous materials...
Preliminary geologic map of the Savannah River Site, Aiken, Allendale, and Barnwell counties, South Carolina
D.C. Prowell
1994, Open-File Report 94-181
Black Hills hydrology study
D.G. Driscoll
1994, Open-File Report 94-344
The Black Hills area of western South Dakota is a valuable resource center. The area has attracted numerous residents and industries because of the availability of mineral, timber, agricultural, recreational, and water resources. The water resources of the area have been stressed locally by increasing population, periodic drought, and...
National Water-Quality Assessment Program - Upper Colorado River Basin
Nancy E. Driver
1994, Open-File Report 94-102
Campground talk and slide show on volcanoes for Chiricahua National Monument
J.S. Pallister, E. A. Du Bray
1994, Open-File Report 94-232
The slides and the accompanying script presented here are based on a campground presentation at Chiricahua National Monument in 1994. Examples of eruptions at active volcanoes are used to help the audience visualize events that took place in the National Monument 27 million years ago. This presentation stresses the following...
A Model to help explain Sr-isotope disequilibrium between feldspar phenocrysts and melt in large-volume silicic magma systems
W. A. Duffield, Joaquin Ruiz
1994, Open-File Report 94-423
National Water Quality Laboratory Profile
Jon W. Raese
1994, Open-File Report 94-366
The National Water Quality Laboratory determines organic and inorganic constituents in samples of surface and ground water, river and lake sediment, aquatic plant and animal material, and precipitation collected throughout the United States and its territories by the U.S. Geological Survey. In water year 1994, the Laboratory produced more than...
Physical, chemical, and biological data for detailed study of the Sun River Irrigation Project, Freezout Lake Wildlife Management Area, and Benton Lake National Wildlife Refuge, west-central Montana, 1990-92, with selected data for 1987-89
J. H. Lambing, D. A. Nimick, J. R. Knapton, D. U. Palawski
1994, Open-File Report 94-120
Physical chemical, and biological data were collected in the lower Sun River area of west-central Montana during 1990-92 as part of a U.S. Department of the Interior detailed study of the extent, magnitude, sources, and potential biological impacts of contaminants associated with irrigation drainage. Physical and chemical data were collected...
Geologic features of the sea bottom around a municipal sludge dumpsite near 39 degrees N., 73 degrees W., offshore New Jersey and New York
James M. Robb
1994, Open-File Report 94-152
The sea-floor of a dumpsite area offshore New York and New Jersey (Deep-water dumpsite 106) was studied using detailed bathymetry, sidescan-sonar images, subbottom profiles, bottom photographs, and bottom-sediment samples. These data show that this continental rise area contains deposits of submarine landslides and pathways of sediment gravity flows. Images of...
Stable isotopes of hydrogen and oxygen in surface water and ground water at selected sites on or near the Idaho National Engineering Laboratory, Idaho
D.S. Ott, L.D. Cecil, L.L. Knobel
1994, Open-File Report 94-55
Relative stable isotopic ratios for hydrogen and oxygen compared to standard mean ocean water are presented for water from 4 surface-water sites and 38 ground-water sites on or near the Idaho National Engineering Laboratory (INEL). The surface-water samples were collected monthly from March 1991 through April 1992 and after a...
Water level observations in the east San Francisco Bay area, California
E.G. Quilty, E.A. Roeloffs
1994, Open-File Report 94-418
