Preliminary conceptual models of the occurrence, fate, and transport of chlorinated solvents in karst regions of Tennessee
W.J. Wolfe, C.J. Haugh, Ank Webbers, T.H. Diehl
1997, Water-Resources Investigations Report 97-4097
Published and unpublished reports and data from 22 contaminated sites in Tennessee were reviewed to develop preliminary conceptual models of the behavior of chlorinated solvents in karst aquifers. Chlorinated solvents are widely used in many industrial operations. High density and volatility, low viscosity, and solubilities that are low in absolute...
Modified level II streambed-scour analysis for structure I-70-104-5128 crossing Brandywine Creek in Hancock County, Indiana
R. L. Miller, B.A. Robinson, D. C. Voelker
1997, Open-File Report 97-303
Level II scour evaluations follow a process in which hydrologic, hydraulic, and sedient-transport data are evaluated to calculate the depth of scour that may result when given discharge is routed through a bridge opening. the results of the modified Levell II analysis for structure I-70-104-5128 on Interstate 70 crossing Brandywine...
Modified level II streambed-scour analysis for structure I-65-81-5523 crossing Big Blue River in Shelby County, Indiana
R. L. Miller, B.A. Robinson, D. C. Voelker
1997, Open-File Report 97-304
Modified level II streambed-scour analysis for structure I-65-120-4841 crossing Little Eagle Creek in Marion County, Indiana
D. C. Voelker, B.A. Robinson, R. L. Miller
1997, Open-File Report 97-306
Comparison of chlorofluorocarbon-age dating with particle-tracking results of a regional ground-water flow model of the Portland Basin, Oregon and Washington
Stephen R. Hinkle, Daniel T. Snyder
1997, Water Supply Paper 2483
This report describes the results of a study in which chlorofluorocarbon-age dating was used to evaluate the results of a ground-water particle tracker for the Portland Basin in Oregon and Washington....
Modified level II streambed-scour analysis for structure I-65-120-6016 crossing Little Eagle Creek and I-65 in Marion County, Indiana
R. L. Miller, B.A. Robinson, D. C. Voelker
1997, Open-File Report 97-305
Level II scour evaluations follow a process in which hydrologic, hydraulic, and sedient-transport data are evaluated to calculate the depth of scour that may result when given discharge is routed through a bridge opening. the results of the modified Levell II analysis for structure I-65-120-6016 on Georgetown Road crossing Little...
Digital data sets that describe aquifer characteristics of the Elk City Aquifer in western Oklahoma
C.J. Becker, D. L. Runkle, Alan Rea
1997, Open-File Report 96-449
ARC/INFO export and nonproprietary format files This diskette contains digitized aquifer boundaries and maps of hydraulic conductivity, recharge, and ground-water level elevation contours for the Elk City aquifer in western Oklahoma. The aquifer covers an area of approximately 193,000 acres and supplies ground water for irrigation, domestic, and industrial purposes in...
Digital data sets that describe aquifer characteristics of the Enid isolated terrace aquifer in northwestern Oklahoma
C.J. Becker, D. L. Runkle, Alan Rea
1997, Open-File Report 96-450
ARC/INFO export and nonproprietary format files The data sets in this report include digitized aquifer boundaries and maps of hydraulic conductivity, recharge, and ground-water level elevation contours for the Enid isolated terrace aquifer in northwestern Oklahoma. The Enid isolated terrace aquifer covers approximately 82 square miles and supplies water for irrigation,...
Modified level II streambed-scour analysis for structure I-69-87-4781 crossing Wabash River in Huntington County, Indiana
B.A. Robinson, D. C. Voelker, R. L. Miller
1997, Open-File Report 97-307
Level II scour evaluations follow a process in which hydrologic, hydraulic, and sediment transport data are evaluated to calculate the depth of scour that may result when a given discharge is routed through a bridge opening. The results of the modified Level II analysis for structure 1-69-87-4781 on Interstate 69...
Digital data sets that describe aquifer characteristics of the High Plains aquifer in western Oklahoma
C.J. Becker, D. L. Runkle, Alan Rea
1997, Open-File Report 96-451
ARC/INFO export files This diskette contains digitized aquifer boundaries and maps of hydraulic conductivity, recharge, and ground-water level elevation contours for the High Plains aquifer in western Oklahoma. This area encompasses the panhandle counties of Cimarron, Texas, and Beaver, and the western counties of Harper, Ellis, Woodward, Dewey, and Roger Mills....
Full equations utilities (FEQUTL) model for the approximation of hydraulic characteristics of open channels and control structures during unsteady flow
Delbert D. Franz, Charles S. Melching
1997, Water-Resources Investigations Report 97-4037
The Full EQuations UTiLities (FEQUTL) model is a computer program for computation of tables that list the hydraulic characteristics of open channels and control structures as a function of upstream and downstream depths; these tables facilitate the simulation of unsteady flow in a stream system with the Full Equations (FEQ)...
Ground-water resources of the Tallapoosa River basin in Georgia and Alabama - Subarea 5 of the Apalachicola-Chattahoochee-Flint and Alabama-Coosa-Tallapoosa river basins
Celeste A. Journey, J. Brian Atkins
1997, Open-File Report 96-433
Drought conditions in the 1980's focused attention on the multiple uses of the surface- and ground-water resources in the Apalachicola-Chattahoochee-Flint (ACT) and Alabama-Coosa-Tallapoosa (ACT) River basins in Georgia, Alabama, and Florida. State and Federal agencies also have proposed projects that would require additional water resources and revise operating practices within...
Ground-water resources of the Cahaba River basin in Alabama - Subarea 7 of the Apalachicola-Chattahoochee-Flint and Alabama-Coosa-Tallapoosa river basins
Will S. Mooty, Robert E. Kidd
1997, Open-File Report 96-470
Drought conditions in the 1980's focused attention on the multiple uses of the surface- and ground-water resources in the Apalachicola-Chattahooochee-Flint and Alabama-Coosa-Tallapoosa River basins in Georgia, Alabama, and Florida. State and Federal agencies also have proposed projects that would require additional water resources and revise operating practices within the river...
Ground-water resources of the lower-middle Chattahoochee River basin in Georgia and Alabama, and middle Flint River basin in Georgia - Subarea 3 of the Apalachicola-Chattahoochee-Flint and Alabama-Coosa-Tallapoosa River basins
Gregory C. Mayer
1997, Open-File Report 96-483
Drought conditions in the 1980's focused attention on the multiple uses of the surface- and ground-water resources in the Apalachicola-Chattahoochee-Flint (ACF) and Alabama-Coosa-Tallapoosa (ACT) River basins in Georgia, Alabama, and Florida. State and Federal agencies also have proposed projects that would require additional water resources and revise operating practices within...
Ground-water resources of the Alabama River Basin in Alabama; Subarea 8 of the Apalachicola-Chattahoochee-Flint and Alabama-Coosa-Tallapoosa River Basins
Robert E. Kidd, J. Brian Atkins, John C. Scott
1997, Open-File Report 96-473
Drought conditions in the 1980's focused attention on the multiple uses of the surface- and ground-water resources in the Apalachicola-Chattahoochee-Flint (ACF) and Alabama-Coosa-Tallapoosa (ACT) River basins in Georgia, Alabama, and Florida. State and Federal agencies also have proposed projects that would require additional water resources and revise operating practices within...
Ground-water resources of the Coosa River basin in Georgia and Alabama; Subarea 6 of the Apalachicola-Chattahoochee-Flint and Alabama-Coosa-Tallapoosa river basins
James L. Robinson, Celeste A. Journey, J. Brian Atkins
1997, Open-File Report 96-177
Drought conditions in the 1980's focused attention on the multiple uses of the surface- and ground-water resources in the Apalachicola-Chattahoochee-Flint (ACF) and Alabama-Coosa-Tallapoosa (ACT) River basins in Georgia, Alabama, and Florida. State and Federal agencies also have proposed projects that would require additional water resources and revise operating practices within...
Water quality in the Appalachian Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces, eastern United States
L. I. Briel
1997, Professional Paper 1422-D
Chemical quality of ground water, spring water, and surface water differs substantially among the three physiographic provinces. Maps showing regional variations for 18 water properties and constituents are included in this Regional Aquifer System Analysis study report. Systematic variations in water quality are due to differences in geologic and hydrologic...
Mineral-resource data bases
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 076-97
Data bases are essential for modern scientific research. The new and exciting work being done in the Mineral Resource Program in the U.S. Geological Survey (USGS) usually begins with the question, "Where are the known deposits?" A mineral-resource data base containing this type of information and more can be useful...
Karst topography; computer animation and paper model
T. R. Alpha, J. P. Galloway, J. C. Tinsley III
1997, Open-File Report 97-536-B
Nitrogen and phosphorus loading from drained wetlands adjacent to Upper Klamath and Agency lakes, Oregon
Daniel T. Snyder, Jennifer L. Morace
1997, Water-Resources Investigations Report 97-4059
Upper Klamath Lake and the connecting Agency Lake constitute a large, shallow lake in south-central Oregon that the historical record indicates has likely been eutrophic since its discovery by non-Native Americans. In recent decades, however, the lake has had annual occurrences of near-monoculture blooms of the blue-green alga Aphanizomenon flos-aquae...
Hydraulic properties and ground-water flow in the St Peter-Prairie du Chien-Jordan aquifer, Rochester area, southeastern Minnesota
R. J. Lindgren
1997, Water-Resources Investigations Report 97-4015
The hydraulic properties were updated and their effects on ground-water flow in the St. Peter-Prairie du Chien-Jordan aquifer in the Rochester area in southeastern Minnesota were evaluated, using new information compiled since a study by Delin (1990). Since 1988, new information on the hydrogeology of the ground-water system in the...
Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96
J. F. Ruhl
1997, Water-Resources Investigations Report 97-4085
Nitrate concentrations (as nitrogen) were analyzed in water from 73 wells completed in surficial aquifers. Water from about one-third of the wells had concentrations greater than 10 mg/L (milligrams per liter), the regulatory limit for drinking water established by the U.S. Environmental Protection Agency. Nitrate concentrations: (1) were greater in...
Hydrogeology, water quality, and simulation of ground-water-development alternatives in the Usquepaug-Queen ground-water reservoir, southern Rhode Island
David C. Dickerman, John D. Kliever, Janet Radway Stone
1997, Water-Resources Investigations Report 97-4126
The Usquepaug-Queen River Basin study describes the hydrogeology, water quality, and simulation of pumping from wells for selected ground-water-development alternatives in the ground-water reservoir under average (1975-90) and drought (1963-66) conditions. In general, ground-water quality is suitable for most purposes. The study provides an evaluation of the effects of simulated...
Modifications to a one-dimensional model of unsteady flow in the Colorado River through the Grand Canyon, Arizona
Stephen Mark Wiele, Eleanor R. Griffin
1997, Water-Resources Investigations Report 97-4046
Investigation into avian mortality in the Playa Lakes region of southeastern New Mexico: Final Report - June 1997
F. Joshua Dein, Laurie A. Baeten, Melody K. Moore, Michael D. Samuel, Paul D. Miller, Christopher Murphy, Steven Sissler, Clinton W. Jeske, Joseph R. Jehl Jr., J. S. Yaeger, B. Bauer, Shiela A. Mahoney
1997, Report
This Final Report is a review of work on a cooperative study undertaken by the USGS Biological Resources Division's National Wildlife Health Center (NWHC) and National Wetlands Research Center (NWRC; formerly the Southern Science Center) from 1994 through 1997. The study was initiated at the request of the Bureau of...