Water resources of the Prairie Island Indian Reservation, Minnesota, 1994-97
Timothy K. Cowdery
1999, Water-Resources Investigations Report 99-4069
This evaluation of the water resources on the Prairie Island Indian Reservation includes data collected from 8 surface-water sites and 22 wells during 1994–97 and historical data. The Mississippi River and the lakes and wetlands connected to it are separated from the Vermillion River and the lakes and wetlands connected...
Distribution of salinity in ground water from the interpretation of borehole-geophysical logs and salinity data, Calf Pasture Point, Davisville, Rhode Island
Peter E. Church, William C. Brandon
1999, Water-Resources Investigations Report 99-4153
The distribution of salinity in ground water at Calf Pasture Point, a small coastal peninsula bounded by Narragansett Bay on the east and Allen Harbor on the west, in Davisville, Rhode Island, was interpreted from borehole-geophysical data and previously collected salinity data to help identify potential flowpaths of contaminated ground...
Organic metamorphism in the California petroleum basins; Chapter A, Rock-Eval and vitrinite reflectance
Leigh C. Price, Mark J. Pawlewicz, Ted A. Daws
1999, Bulletin 2174-A
The results of ROCK-EVAL and vitrinite reflectance analyses of a large sample base from more than 70 wells located in three oil-rich California petroleum basins are reported. The cores from these wells have a wide range of present-day burial temperatures (40 ? to 220 ? C). The rocks in these basins were deposited under highly variable conditions, sometimes resulting in...
Water sediment, and nutrient budgets, and bathymetric survey of Old and New Gillespie Lakes, Macoupin County, Illinois, May 1996-April 1997; with a discussion of lake-management practices
Gary P. Johnson
1999, Open-File Report 99-69
The Gillespie Lakes system serves as a drinking water source for the town of Gillespie, Illinois, and is a major recreational focus for the area. As part of an investigation of a concern that the lakes are being adversely affected by excessive sediment and nutrient in flows, this report presents...
Magmatic carbon dioxide emissions at Mammoth Mountain, California
Christopher D. Farrar, John M. Neil, James F. Howle
1999, Water-Resources Investigations Report 98-4217
Carbon dioxide (CO2) of magmatic origin is seeping out of the ground in unusual quantities at several locations around the flanks of Mammoth Mountain, a dormant volcano in Eastern California. The most recent volcanic activity on Mammoth Mountain was steam eruptions about 600 years ago, but seismic swarms and long-period...
Method for Examination and Documentation of Basic Information and Metadata from Published Reports Relevant to the Study of Stormwater Runoff Quality
Shannon G. Dionne, Gregory E. Granato, Cameron K. Tana
1999, Open-File Report 99-254
A readily accessible archive of information that is valid, current, and technically defensible is needed to make informed highway-planning, design, and management decisions. The National Highway Runoff Water-Quality Data and Methodology Synthesis (NDAMS) is a cataloging and assessment of the documentation of information relevant to highway-runoff water quality available in...
Ground-water levels and flow directions in the glacial sediments and the Lockport Dolomite in southeastern Darke and northeastern Preble counties, Ohio, July 1998
Denise H. Dumouchelle
1999, Water-Resources Investigations Report 99-4012
During the summer of 1997, the U.S. Environmental Protection Agency (USEPA) began an emergency removal action at the Lewisburg Drum Site in northern Preble County, Ohio. The site is about 3 miles west-northwest of the village of Lewisburg. The USEPA removed about 1,200 drums of waste ink from the site,...
Estimating the magnitude of peak flows for streams in Maine for selected recurrence intervals
Glenn A. Hodgkins
1999, Water-Resources Investigations Report 99-4008
This report gives estimates of, and presents techniques for estimating, the magnitude of peak flows for streams in Maine for recurrence intervals of 2, 5, 10, 25, 50, 100, and 500 years. A flowchart in this report guides the user to the appropriate estimates and (or) estimating techniques for a...
Index of hydrologic characteristics and data resources for the Gwynns Falls watershed, Baltimore County and Baltimore City, Maryland
Edward J. Doheny
1999, Open-File Report 99-213
The Gwynns Falls watershed has been selected as the primary study area for the Baltimore Ecosystem Study, as part of the National Science Foundation?s Long-Term Ecological Research program. Because the Baltimore Ecosystem Study will be investigating long-term hydrologic changes in the Gwynns Falls watershed, a compilation of existing data resources...
Real-time water-quality monitoring for protection of wildlife at Quivira National Wildlife Refuge, South-Central Kansas
Victoria G. Christensen
1999, Fact Sheet 182-99
Stream stage and discharge and the quality of water flowing from Rattlesnake Creek into the Quivira National Wildlife Refuge in south-central Kansas are being monitored by the U.S. Geological Survey in cooperation with the U.S. Fish and Wildlife Service using an innovative, real-time monitoring approach. Continuously recorded data and data...
U.S. Geological Survey combined well-bore flow and depth-dependent water sampler
John A. Izbicki, Allen H. Christensen, Randall T. Hanson, Peter Martin, Steven M. Crawford, Gregory A. Smith
1999, Fact Sheet 196-99
The U.S. Geological Survey has developed a combined well-bore flow and depth-dependent sample collection tool. It is suitable for use in existing production wells having limited access and clearances as small as 1 inch. The combination of well-bore flow and depth-dependent water-quality data is especially effective in assessing changes in...
Upgrade to MODFLOW-GUI; addition of MODPATH, ZONEBDGT, and additional MODFLOW packages to the U.S. Geological Survey MODFLOW-96 Graphical-User Interface
R.B. Winston
1999, Open-File Report 99-184
This report describes enhancements to a Graphical-User Interface (GUI) for MODFLOW-96, the U.S. Geological Survey (USGS) modular, three-dimensional, finitedifference ground-water flow model, and MOC3D, the USGS three-dimensional, method-ofcharacteristics solute-transport model. The GUI is a plug-in extension (PIE) for the commercial program Argus ONEe. The GUI has been modified to support...
Hydrology of the coastal lowlands aquifer system in parts of Alabama, Florida, Louisiana, and Mississippi
Angel Martin Jr., C. D. Whiteman Jr.
1999, Professional Paper 1416-H
Existing data on water levels, water use, water quality, and aquifer properties were used to construct a multilayer digital model to simulate flow in the aquifer system. The report describes the geohydrologic framework of the aquifer system, and the development, calibration, and sensitivity analysis of the ground-water-flow model, but it...
Inversion of gravity data to define the pre-Tertiary surface and regional structures possibly influencing ground-water flow in the Pahute Mesa-Oasis Valley region, Nye County, Nevada
T.G. Hildenbrand, V.E. Langenheim, E. A. Mankinen, E.H. McKee
1999, Open-File Report 99-49
A three-dimensional inversion of gravity data from the Pahute Mesa–Oasis Valley region reveals a topographically complex pre-Tertiary basement surface. Beneath Pahute Mesa, the thickness of the Tertiary volcanic deposits may exceed 5 km within the Silent Canyon caldera complex. South of Pahute Mesa in Oasis Valley, basement is shallower (<...
Basic Requirements for Collecting, Documenting, and Reporting Precipitation and Stormwater-Flow Measurements
Peter E. Church, Gregory E. Granato, David W. Owens
1999, Open-File Report 99-255
Accurate and representative precipitation and stormwater-flow data are crucial for use of highway- or urban-runoff study results, either individually or in a regional or national synthesis of stormwater-runoff data. Equally important is information on the level of accuracy and representativeness of this precipitation and stormwaterflow data. Accurate and representative measurements...
The ecological condition of estuaries in the Gulf of Mexico
1999, Cooperator Report 620-R-98-004
The Gulf of Mexico is a vast natural resource encompassing the coastal areas of western Florida, Alabama, Mississippi, Louisiana, and Texas, as well as a portion of Mexico. Many estuaries flow into the Gulf of Mexico and serve as nursery grounds for fish, habitat for a wide variety of wildlife,...
Hydrologic data for water years 1978-97 used in daily flow-routing and river-operations models for the upper Carson River Basin, California and Nevada
G. W. Hess
1999, Open-File Report 99-256
No abstract available....
U.S. Geological Survey middle Rio Grande basin study; proceedings of the third annual workshop, Albuquerque, New Mexico, February 24-25, 1999
James R. Bartolino
1999, Open-File Report 99-203
Approximately 40 percent (about 600,000 people) of the total population of New Mexico lives within the Middle Rio Grande Basin, which includes the City of Albuquerque. Ongoing analyses of the central portion of the Middle Rio Grande Basin by the U.S. Geological Survey (USGS) in cooperation with the City of Albuquerque and...
Evaluation of factors that influence estimated zones of transport for six municipal wells in Clark County, Washington
L.L. Orzol, Margot Truini
1999, Water-Resources Investigations Report 97-4224
A ground-water flow model was used in conjunction with particle tracking to estimate zones of transport for six municipal well sites in Clark County, Washington. A zone of transport for a well is a three-dimensional volume within a ground-water system that contains all of the ground water that will discharge...
Water quality and discharge data for St. Joseph Bay, Florida, 1997-98
M. P. Berndt, M.A. Franklin
1999, Open-File Report 99-190
Historical data were compiled on water quality and water levels for the St. Joseph Bay area to assess quality of possible sources of land-derived water into the Bay. Ground-water quality data were compiled from Florida Department of Environmental Protection and surface-water quality data were compiled from U.S.Geological Survey files. Water-quality...
Gravity and magnetic study of the Pahute Mesa and Oasis Valley region, Nye County, Nevada
Edward A. Mankinen, Thomas G. Hildenbrand, Gary L. Dixon, Edwin H. McKee, Christopher J. Fridrich, Randell J. Laczniak
1999, Open-File Report 99-303
Regional gravity and aeromagnetic maps reveal the existence of deep basins underlying much of the southwestern Nevada volcanic field, approximately 150 km northwest of Las Vegas. These maps also indicate the presence of prominent features (geophysical lineaments) within and beneath the basin fill. Detailed gravity surveys were conducted in order...
Subduction zone and crustal dynamics of western Washington; a tectonic model for earthquake hazards evaluation
Dal Stanley, Antonio H. Villasenor, Harley Benz
1999, Open-File Report 99-311
The Cascadia subduction zone is extremely complex in the western Washington region, involving local deformation of the subducting Juan de Fuca plate and complicated block structures in the crust. It has been postulated that the Cascadia subduction zone could be the source for a large thrust earthquake, possibly as large...
Plan of study to define hydrogeologic characteristics of the Madera Limestone in the east mountain area of central New Mexico
D.R. Rankin
1999, Open-File Report 99-201
The east mountain area of central New Mexico includes the eastern one-third of Bernalillo County and portions of Sandoval, Santa Fe, and Torrance Counties. The area covers about 320 square miles. The Madera Limestone, the principal aquifer in the east mountain area, is the sole source of water for domestic, municipal,...
Water-quality assessment of the eastern Iowa basins: Data, September 1995 through September 1996
Kimberlee K.B. Akers, Douglas J. Schnoebelen, Mark E. Savoca, Linda R. Roberts, Kent Becher
1999, Open-File Report 99-66
The U.S. Geological Survey began data-collection activities in the Eastern Iowa Basins study unit of the National Water-Quality Assessment Program in September 1995 with the purpose of determining the status and trends in water quality. Surface-water data were collected, beginning in March 1996, on a monthly basis with occasional extra...
Geology, hydrology, and results of tracer testing in the Galena-Platteville aquifer at a waste-disposal site near Byron, Illinois
Robert T. Kay, Douglas J. Yeskis, Scott T. Prinos, William S. Morrow, Mark Vendl
1999, Open-File Report 98-640
A study was conducted by the U.S. Geological Survey and the U.S. Environmental Protection Agency of the geohydrology of the dolomite bedrock at a waste-disposal site near Byron, Illinois. The study was designed to identify and characterize the flow pathways through the bedrock aquifer beneath the site. The geologic units...
