The probability of lava inundation at the proposed and existing Kulani prison sites
J. P. Kauahikaua, F. A. Trusdell, C. C. Heliker
1998, Open-File Report 98-794
The State of Hawai`i has proposed building a 2,300-bed medium-security prison about 10 km downslope from the existing Kulani medium-security correctional facility. The proposed and existing facilities lie on the northeast rift zone of Mauna Loa, which last erupted in 1984 in this same general area. We use the best...
Oreshoot zoning in the Carlin-type Betze orebody, Goldstrike Mine, Eureka County, Nevada
Stephen G. Peters, Gregory C. Ferdock, Maria B. Woitsekhowskaya, Robert Leonardson, Jerry Rahn
1998, Open-File Report 98-620
Field and laboratory investigations of the giant Betze gold orebody, the largest Carlin-type deposit known, in the north-central Carlin trend, Nevada document that the orebody is composed of individual high-grade oreshoots that contain different geologic, mineralogic, and textural characteristics. The orebody is typical of many structurally controlled Carlin-type deposits, and...
Slope maps of the San Francisco Bay region, California: A digital database
Scott E. Graham, Richard J. Pike
1998, Open-File Report 98-766
PREFACE: Topography, the configuration of the land surface, plays a major role in various natural processes that have helped shape the ten-county San Francisco Bay region and continue to affect its development. Such processes include a dangerous type of landslide, the debris flow (Ellen and others, 1997) as well...
Paleomagnetic data from basaltic lava flows of the northeast rift zone of Mauna Loa volcano, Hawaii
D.E. Champion, J. P. Lockwood
1998, Open-File Report 98-782
Review of Aquifer Test Results for the Lansdale Area, Montgomery County, Pennsylvania, 1980–95
Daniel J. Goode, Lisa A. Senior
1998, Open-File Report 98-294
Aquifer and aquifer-isolation test results in and around North Penn Area 6 Superfund site, Lansdale, Montgomery County, Pennsylvania are reviewed to provide estimated aquifer properties for use in a numerical model of ground-water flow. This review was made to support of remedial action investigations by U.S. Environmental Protection Agency (USEPA),...
Techniques for estimating peak-flow magnitude and frequency relations for South Dakota streams
Steven K. Sando
1998, Water-Resources Investigations Report 98-4055
A generalized skew coefficient analysis was completed for South Dakota to test the validity of using the generalized skew coefficient map in Bulletin 17B of the 1982 United States Water Resources Council, ?Guidelines for Determining Flood Flow Frequency.? Results of the analysis indicate that the Bulletin 17B generalized skew coefficient...
Statistical summaries of selected Iowa streamflow data through September 1996
E.E. Fischer, D. A. Eash
1998, Open-File Report 98-170
Statistical summaries of streamflow data collected at 156 streamflow-gaging stations in Iowa are presented in this report. All gaging stations included for analysis have at least 10 years of continuous record collected before or through September 1996. The statistical summaries include (1) statistics of monthly and annual mean discharges; (2)...
Hydrogeology and simulation of ground-water flow in the Sandstone Aquifer, northeastern Wisconsin
T.D. Conlon
1998, Water-Resources Investigations Report 97-4096
Municipalities in the lower Fox River Valley in northeastern Wisconsin obtain their water supply from a series of permeable sandstones and carbonates of Cambrian to Ordovician age. Withdrawals from this "sandstone aquifer" have resulted in water levels declining at a rate of more than 2 feet per year. The U.S....
Simulation of ground-water flow, Dayton area, southwestern Ohio
D.H. Dumouchelle
1998, Water-Resources Investigations Report 98-4048
A numerical model was used simulate the regional ground-water-flow system in the Dayton area in southwestern Ohio. Ground water is the primary source of drinking water for the Dayton area. The aquifer consists of glacial sands and gravels in a buried bedrock valley. The shale bed rock in the area...
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...
Recharge-area delineation and hydrology, McCraken Springs, Fort Knox Military Reservation, Meade County, Kentucky
Charles J. Taylor, Gregory K. McCombs
1998, Water-Resources Investigations Report 98-4196
McCraken Springs, consisting of three perennial springs - Main, Bat Cave, and Rocky Springs—and several intermittent springs, are used as a source of public water by the Fort Knox Military Reservation in Meade County, Ky. The water supply provided by McCraken Springs is potentially vulnerable to natural and induced stresses...
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....
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....
Hydrologic classification and estimation of basin and hydrologic characteristics of subbasins in central Idaho
Stephen W. Lipscomb
1998, Professional Paper 1604
Hydrologic data for streams and associated subbasins within the Salmon and Clearwater river basins were analyzed to support instream flow claims by the Bureau of Indian Affairs on behalf of the Nez Perce Indian Tribe. A geographic information system was used to construct a data base of basin characteristics for...
Freshwater resources and saline water near the Sac and Fox Nation tribal lands, eastern Lincoln County, Oklahoma
Marvin M. Abbott
1998, Water-Resources Investigations Report 96-4173
The purpose of this project was to evaluate the freshwater resources and possible sources of high-chloride and high-sulfate concentrations in parts of the aquifer near the Sac and Fox Nation tribal land in eastern Lincoln County, Oklahoma. Water-quality sampling and borehole geophysical data indicate the potential for fresh ground water...
Methods for estimating selected flow-duration and flood-frequency characteristics at ungaged sites in Central Idaho
L.C. Kjelstrom
1998, Water-Resources Investigations Report 94-4120
Methods for estimating daily mean discharges for selected flow durations and flood discharge for selected recurrence intervals at ungaged sites in central Idaho were applied using data collected at streamflow-gaging stations in the area. The areal and seasonal variability of discharge from ungaged drainage basins may be described by estimating...
Preliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs
Michael J. Focazio, Niel Plummer, John K. Bohlke, Eurybiades Busenberg, L. Joseph Bachman, David S. Powars
1998, Water-Resources Investigations Report 97-4225
Knowledge of the residence times of the ground-water systems in Chesapeake Bay watershed helps resource managers anticipate potential delays between implementation of land-management practices and any improve-ments in river and estuary water quality. This report presents preliminary estimates of ground-water residence times and apparent ages of water in...
Geohydrology and simulated ground-water flow in northwestern Elkhart County, Indiana
L. D. Arihood, D.A. Cohen
1998, Water-Resources Investigations Report 97-4204
In 1994, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency and the City of Elkhart, developed a ground-water model of the Elkhart, Indiana, area to determine the avail-ability and source of water at potential new well fields. The modeled area covered 190 square miles of northwestern...
Hydrogeology and sources of recharge to the Buffalo and Wahpeton aquifers in the southern part of the Red River of the North drainage basin, west-central Minnesota and southeastern North Dakota
Michael Schoenberg
1998, Water-Resources Investigations Report 97-4084
Declining hydraulic heads in the Buffalo and Wahpeton aquifers are of concern to the Minnesota Department of Natural Resources and local water managers because of limited groundwater resources in the southern part of the Red River of the North drainage basin. The U.S. Geological Survey, in cooperation with the Minnesota...
Loads and yields of sediment and water-quality constituents in Kentucky streams
Rene Garcia, Angela S. Crain
1998, Open-File Report 98-411
Loads and yields of sediment and water-quality constituents were estimated for selected Kentucky streams. Streamflow, sediment, and water-quality information were collected at a network of 44 stream stations in Kentucky. Mean daily discharge was synthesized using the drainage-area ratio, regression analysis, or a combination of the two techniques. Streamflow was...
Hydrologic and water-quality data for the lower Bradley River, Alaska, November through April 1995-98
Ronlad L. Rickman
1998, Open-File Report 98-385
A dam constructed at the outlet of Bradley Lake near Homer, Alaska has blocked natural flows to the lower Bradley River. To protect salmon egg incubation habitat during the period of November 2 to April 30, a fish-water bypass was incorporated into the design of the dam to ensure a...
Geology and mineral resources of the Lake Valley area, Sierra County, New Mexico
C.J. Nutt, J.M. O’Neill, V. T. McLemore, David A. Lindsey, J.C. Ratte, D. C. Hedlund, D. P. Klein, M. D. Kleinkopf
1998, Open-File Report 98-347
At the request of the Bureau of Land Management, the U.S. Geological Survey assessed the Lake Valley Area of Critical Environmental Concern (ACEC), which includes the historic Lake Valley townsite and silver-manganese mining district, for undiscovered mineral resources. The Lake Valley ACEC is along the southeastern margin of the Black...
Continuous hydrologic simulation of runoff for the Middle Fork and South Fork of the Beargrass Creek basin in Jefferson County, Kentucky
G. Lynn Jarrett, Aimee C. Downs, Patricia A. Grace-Jarrett
1998, Water-Resources Investigations Report 98-4182
The Hydrological Simulation Pro-gram-FORTRAN (HSPF) was applied to an urban drainage basin in Jefferson County, Ky to integrate the large amounts of information being collected on water quantity and quality into an analytical framework that could be used as a management and planning tool. Hydrologic response units were developed using...
Streamflow statistics of selected streams in the lower Red River of the North basin, North Dakota, Minnesota, and Manitoba
Tara Williams-Sether, Gregg J. Wiche
1998, Open-File Report 98-21
Statistical summaries of streamflow data through water year 1994 for selected active and discontinued U.S. Geological Survey gaging stations for the Red River of the North Basin downstream of Halstad, Minnesota, to and including Emerson, Manitoba, are presented in this report. The summaries for each streamflow-gaging station include (1) station...
The last interglaciation at Owens Lake, California; Core OL-92
James L. Bischoff, editor(s)
1998, Open-File Report 98-132
Owens Lake, located at the eastern base of the central Sierra Nevada (Fig. 1), was the terminus of the Owens River prior to the lake's complete desiccation shortly after 1913 due to river diversion by the City of Los Angeles. During earlier wetter cycles, the lake overflowed to fill a...
