Peak-discharge frequency and potential extreme peak discharge for natural streams in the Brazos River basin, Texas
Timothy H. Raines
1998, Water-Resources Investigations Report 98-4178
The 2-, 5-, 10-, 25-, 50-, and 100-year peak discharges were estimated for 186 streamflow-gaging stations with at least 8 years of data for natural streams in and near the Brazos River Basin, Texas. Multiple regression equations were developed to estimate peak-discharge frequency for the 2-, 5-, 10-, 25-, 50-,...
Drainage areas within the upper Red River and Minnesota River basins in South Dakota
C. A. Niehus
1998, Open-File Report 98-387
Potentiometric surface of the Sparta aquifer in eastern and south-central Arkansas and north-central Louisiana, and the Memphis Aquifer in east-central Arkansas, October 1996-July 1997
Robert L. Joseph
1998, Water-Resources Investigations Report 97-4282
During the 1997 water year, the water level in the Sparta and Memphis aquifers was measured in about 274 wells in Arkansas, and the water level in the Sparta aquifer was measured in about 55 wells in Louisiana. The potentiometric surface data reveal spatial trends across the study area. In...
Cenozoic deformation of the Franciscan Complex, eastern Santa Maria Basin, California. Regional thermal maturity of surface rocks, onshore Santa Maria Basin and Santa Barbara-Ventura Basin area, California
Arthur D. Wahl, Nancy D. Naeser, Caroline M. Isaacs, Margaret A. Keller
1998, Bulletin 1995-W,X
No abstract available....
Proceedings of the U.S. Geological Survey Front Range Infrastructure Resources Project stakeholder's Meeting
Water Resources Division, U.S. Geological Survey
1998, Open-File Report 99-1
Geologic, hydrologic, and water-quality data from selected boreholes and wells in and near Belvidere, Illinois, 1989-96
P. C. Mills, D.J. Yeskis, T. D. Straub
1998, Open-File Report 97-242
This report presents selected geologic, hydrologic, and water-quality data collected in and near Belvidere, Ill., during 1989-96. The data were collected primarily by the U.S. Geological Survey and U.S. Environmental Protection Agency in support of an ongoing ground-water study of the glacial drift aquifer and bedrock aquifers of Ordovician and...
Analysis of the sensitivity of soils to the leaching of agricultural pesticides in Ohio
C. W. Schalk
1998, Water-Resources Investigations Report 98-4108
Pesticides have not been found frequently in the ground waters of Ohio even though large amounts of agricultural pesticides are applied to fields in Ohio every year. State regulators, including representatives from Ohio Environmental Protection Agency and Departments of Agriculture, Health, and Natural Resources, are striving to limit the presence...
Depth-duration frequency of precipitation for Texas
William H. Asquith
1998, Water-Resources Investigations Report 98-4044
The U.S. Geological Survey, in cooperation with the Texas Department of Transportation, conducted a study of the depth-duration frequency of precipitation for Texas. Depth-duration frequency is an estimate of the depth of precipitation for a specified duration and frequency or recurrence interval. For this report, precipitation durations of 15, 30,...
Methyl tert-butyl ether (MTBE) and other volatile organic compounds in lakes in Byram Township, Sussex County, New Jersey, summer 1998
Arthur L. Baehr, Otto S. Zapecza
1998, Water-Resources Investigations Report 98-4264
Water samples were collected from four lakes in Byram Township, Sussex County, N.J., in the summer of 1998 as part of an investigation of the occurrence of volatile organic compounds (VOCs) in domestic wells of lakeside communities. Cranberry Lake and Lake Lackawanna are surrounded by densely populated communities where the...
MORPH-I (Ver 1.0) a software package for the analysis of scanning electron micrograph (binary formatted) images for the assessment of the fractal dimension of enclosed pore surfaces
Victor G. Mossotti, A. Raouf Eldeeb, Robert Oscarson
1998, Open-File Report 98-248
MORPH-I is a set of C-language computer programs for the IBM PC and compatible minicomputers. The programs in MORPH-I are used for the fractal analysis of scanning electron microscope and electron microprobe images of pore profiles exposed in cross-section. The program isolates and traces the cross-sectional profiles of exposed pores...
Environmental setting of the San Joaquin-Tulare basins, California
JoAnn A. Gronberg, Neil M. Dubrovsky, Charles R. Kratzer, Joseph L. Domagalski, Larry R. Brown, Karen R. Burow
1998, Water-Resources Investigations Report 97-4205
The National Water-Quality Assessment Program for the San Joaquin-Tulare Basins began in 1991 to study the effects of natural and anthropogenic influences on the quality of ground water, surface water, biology, and ecology. The San Joaquin-Tulare Basins study unit, which covers approximately 31,200 square miles in central California, is made...
Pesticides in Ground Water - Washakie County, Wyoming, 1997-98
Cheryl A. Eddy-Miller
1998, Fact Sheet 098-98
Accounting for cyanide and its degradation products at three Nevada gold mines; constraints from stable C- and N-isotopes
C. A. Johnson, D. J. Grimes, R. O. Rye
1998, Open-File Report 98-753
An understanding of the fate of cyanide (CN-) in mine process waters is important for addressing environmental concerns and for taking steps to minimize reagent costs. The utility of stable isotope methods in identifying cyanide loss pathways has been investigated in case studies at three Nevada gold mines. Freshly prepared barren solutions at the...
Indirect ground-water discharge to the Great Lakes
David J. Holtschlag, J.R. Nicholas
1998, Open-File Report 98-579
Estimates of the average ground-water component of streamflow for 195 streams in the United States part of the Great Lakes Basin range from 25 to 97 percent. Among the selected streams, the average ground-water component of streamflow was 67.3 percent. Estimates of the ground-water component of streamflow are based on...
Summary terrane, mineral deposit, and metallogenic belt maps of the Russian Far East, Alaska, and the Canadian Cordillera
Warren J. Nokleberg, Timothy D. West, Kenneth M. Dawson, Vladimir I. Shpikerman, Thomas K. Bundtzen, Leonid M. Parfenov, James W. Monger, Vladimir V. Ratkin, Boris V. Baranov, Stanislauv G. Byalobzhesky, Michael F. Diggles, Roman A. Eremin, Kazuya Fujita, Steven P. Gordey, Mary E. Gorodinskiy, Nikolai A. Goryachev, Tracey D. Feeney, Yuri F. Frolov, Arthur Grantz, Alexander I. Khanchuk, Richard D. Koch, Boris A. Natal’in, Lev M. Natapov, Ian O. Norton, William W. Patton Jr., George Plafker, Anany I. Pozdeev, Ilya S. Rozenblum, David W. Scholl, Sergei D. Sokolov, Gleb M. Sosunov, David B. Stone, Rowland W. Tabor, Nickolai V. Tsukanov, Tracy L. Vallier
1998, Open-File Report 98-136
This report is part of a project on the major mineral deposits, metallogenesis, and tectonics of the Russian Far East, Alaska, and the Canadian Cordillera. The project is to provide critical information for collaborators and customers on bedrock geology and geophysics, tectonics, major metalliferous mineral resources, metallogenic patterns, and crustal...
Revised shaded relief map and controlled color photomosaic of the Sinus Sabaeus Quadrangle (MC-20) of Mars
Water Resources Division, U.S. Geological Survey
1998, IMAP 2532
No abstract available....
Ground-water-quality assessment of the Central Oklahoma aquifer, Oklahoma: Results of investigations
Scott C. Christenson, John S. Havens
1998, Water Supply Paper 2357-A
This is a collection of five papers intended to summarize the results of an assessment of the ground-water quality of the Central Oklahoma Aquifer. The papers include a summary of investigations, the diagenetic history of Permian rocks in the aquifer, a geochemical characterization of solid-phase materials, a summary of geochemical...
Thickness of Cenozoic deposits and location and geometry of the Las Vegas Valley shear zone, Nevada, based on gravity, seismic-reflection, and aeromagnetic data
V.E. Langenheim, John Grow, J. J. Miller, J. D. Davidson, E. Robison
1998, Open-File Report 98-576
No abstract available....
Flood tracking chart for the Illinois River basin
Charles F. Avery, Robert R. Holmes Jr., Jennifer B. Sharpe
1998, Open-File Report 98-390
This Flood Tracking Chart for the Illinois River Basin in Illinois can be used to record and compare the predicted or current flood-crest stage to past flood-crest information. This information can then be used by residents and emergency-response personnel to make informed decisions concerning the threat of flooding to life...
Ground-water flow in the New Jersey Coastal Plain
Mary Martin
1998, Professional Paper 1404-H
Ground-water flow in 10 aquifers and 9 intervening confining units of the New Jersey Coastal Plain was simulated as part of the Regional Aquifer System Analysis. Data on aquifer and confining unit characteristics and on pumpage and water levels from 1918 through 1980 were incorporated into a multilayer finite-difference model....
EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado
Maria R. Montour, P. L. Hageman, A. L. Meier, Peter Theodorakos, Paul H. Briggs
1998, Open-File Report 98-624
The EPA Method 1312 Synthetic Precipitation Leaching Procedure (SPLP) leachate chemistry data for mine waste samples is presented. Four mine waste composite samples were collected from Silverton (YUK and MAY) and Leadville (SUN and VEN), Colorado and were extracted following the EPA Method 1312 procedure. Leachate pH values ranged from...
Grade and tonnage models for Coeur d'Alene-type polymetallic veins
K. R. Long
1998, Open-File Report 98-583
Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995
Karen R. Burow, Jennifer L. Shelton, Neil M. Dubrovsky
1998, Water-Resources Investigations Report 97-4284
The processes that affect nitrate and pesticide occurrence may be better understood by relating ground-water quality to natural and human factors in the context of distinct, regionally extensive, land- use settings. This study assesses nitrate and pesticide occurrence in ground water beneath three agricultural land-use settings in the eastern San...
The TREMOR Project: earthquake-shaking "radar" for the City of Oakland: a guide for users, sponsors, and the curious
John R. Evans
1998, Open-File Report 98-586
Both earthquake disaster preparation and emergency response benefit from clear knowledge of an earthquake's shaking strength and its effects. TREMOR is a project to produce real-time maps of this shaking strength down to a neighborhood level of detail by deploying a dense network of inexpensive seismographs equipped with rapid telemetry....
Evaluation of faults and their effect on ground-water flow southwest of Frenchman Flat, Nye and Clark counties, Nevada: a digital database
Edwin H. McKee, Thomas A. Wickham, Karen L. Wheeler
1998, Open-File Report 98-580
Ground-water flow through the region south and west of Frenchman Flat, in the Ash Meadows subbasin of the Death Valley ground-water flow system, is controlled mostly by faults which arrange the distribution of permeable and impermeable rocks. In addition, most permeability is along fractures caused by faulting in carbonate rocks....
