Ground-water quality, levels, and flow direction near Fort Cobb Reservoir, Caddo County, Oklahoma, 1998-2000
Carol Becker
2001, Water-Resources Investigations Report 2001-4076
Fort Cobb Reservoir in northwest Caddo County Oklahoma is managed by the Bureau of Reclamation for water supply, recreation, flood control, and wildlife. Excessive amounts of nitrogen in the watershed have the potential to cause long-term eutrophication of the reservoir and increase already elevated concentrations of nitrogen in the Rush...
Surface-water, water-quality, and ground-water assessment of the Municipio of Comerio, Puerto Rico, 1997-99
Jesús Rodríguez-Martínez, Fernando Gómez-Gómez, Luis Santiago-Rivera, M. L. Oliveras-Feliciano
2001, Water-Resources Investigations Report 2001-4083
To meet the increasing need for a safe and adequate supply of water in the municipio of Comerio, an integrated surface-water, water-quality, and ground-water assessment of the area was conducted. The major results of this study and other important hydrologic and water-quality features were compiled in a Geographic Information System,...
Estimated depth to water, North Carolina
Jo Leslie Eimers, Silvia Terziotti, Mary J. Giorgino
2001, Open-File Report 01-487
This web site contains the Federal Geographic Data Committee-compliant metadata (documentation) for digital data produced for the North Carolina, Department of Environment and Natural Resources, Public Water Supply Section, Source Water Assessment Program. The metadata are for 11 individual Geographic Information System data sets. An overlay and indexing method was...
An alternative regionalization scheme for defining nutrient criteria for rivers and streams
Dale M. Robertson, David A. Saad, Ann M. Wieben
2001, Water-Resources Investigations Report 2001-4073
To protect and manage rivers and streams (hereafter, collectively referred to as streams) in the United States, the U.S. Environmental Protection Agency (USEPA) is establishing regionally based nutrient criteria that reflect the natural variability in water quality. As a basic approach to establish these criteria, the USEPA has divided the...
Ground-water contribution classes to characterize watersheds in North Carolina
Silvia Terziotti, Jo Leslie Eimers
2001, Open-File Report 01-488
This web site contains the Federal Geographic Data Committee-compliant metadata (documentation) for digital data produced for the North Carolina, Department of Environment and Natural Resources, Public Water Supply Section, Source Water Assessment Program. The metadata are for 11 individual Geographic Information System data sets. An overlay and indexing method was...
Water quality in the Yukon River basin
Timothy P. Brabets, Rick Hooper, Ed Landa
2001, Fact Sheet 050-01
The Yukon River Basin, which encompasses 330,000 square miles in northwestern Canada and central Alaska (Fig. 1), is one of the largest and most diverse ecosystems in North America. The Yukon River is also fundamental to the ecosystems of the eastern Bering Sea and Chukchi Sea, providing most of the...
Land-cover classes to characterize the unsaturated zone in North Carolina
Silvia Terziotti, Jo Leslie Eimers
2001, Open-File Report 01-491
This web site contains the Federal Geographic Data Committee-compliant metadata (documentation) for digital data produced for the North Carolina, Department of Environment and Natural Resources, Public Water Supply Section, Source Water Assessment Program. The metadata are for 11 individual Geographic Information System data sets. An overlay and indexing method was...
Geology of the Chesapeake and Ohio Canal National Historical Park and Potomac River corridor, Distric of Columbia, Maryland, West Virginia, and Virginia
C. Scott Southworth, David K. Brezinski, Randall C. Orndorff, Peter G. Chirico, Kerry M. Lagueux
2001, Open-File Report 2001-188-B
Water resources data, Alabama, water year 2000
J. L. Pearman, V.E. Stricklin, W. L. Psinakis
2001, Water Data Report AL-00-1
The Water Resources Division of the U.S. Geological Survey, in cooperation with State and Federal agencies, obtains a large amount of data pertaining to the water resources of Alabama each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of...
Measurement of delta13C and delta18O Isotopic Ratios of CaCO3 by a Thermoquest Finnigan GasBench II Delta Plus XL Continous Flow Isotope Ratio Mass Spectrometer with Application to Devils Hole Core DH-11 Calcite
Kinga M. Revesz, Jurate Maciunas Landwehr, Jaroslav Edward Keybl
2001, Open-File Report 2001-257
A new method was developed to analyze the stable carbon and oxygen isotope ratios of small samples (400?20 ?g) of calcium carbonate. This new method streamlines the classical phosphoric acid - calcium carbonate (H3PO4 - CaCO3) reaction method by making use of a Thermoquest-Finnigan GasBench II preparation device and a...
Geophysical investigations of well fields to characterize fractured-bedrock aquifers in southern New Hampshire
James R. Degnan, Richard Bridge Moore, Thomas J. Mack
2001, Water-Resources Investigations Report 2001-4183
Bedrock-fracture zones near high-yield bedrock wells in southern New Hampshire well fields were located and characterized using seven surface and six borehole geophysical survey methods. Detailed surveys of six sites with various methods provide an opportunity to integrate and compare survey results. Borehole geophysical surveys were conducted at three of...
Preliminary Precambrian basement map of Colorado – A geologic interpretation of the aeromagnetic anomaly map
P.K. Sims, Viki Bankey, C. A. Finn
2001, Open-File Report 2001-364
No abstract available....
Water resources data, Hawaii and other Pacific areas, water year 2000: Volume 1. Hawaii
R.I. Taogoshi, D.C. Nishimoto, R. A. Fontaine, M.F. Wong, B. R. Hill
2001, Water Data Report HI-00-1
Water resources data for the 2000 water year for Hawaii consist of records of stage, discharge, and water quality of streams and springs; and water levels and quality of water wells....
Surface-water, water-quality, and ground-water assessment of the Municipio of Caguas, Puerto Rico, 1997-99
Fernando Gómez-Gómez, Jesús Rodríguez-Martínez, Luis Santiago-Rivera, M. L. Oliveras-Feliciano, Carlos Conde-Costas
2001, Water-Resources Investigations Report 2000-4280
Seismic hazard curves and uniform hazard response spectra for the United States - A user guide
A.D. Frankel, E. V. Leyendecker
2001, Open-File Report 2001-436
Monitoring Of Ecosystem Dynamics In The Mojave Desert: The Beatley Permanent Plots
Robert H. Webb, Todd C. Esque, Philip A. Medica, Lesley A. DeFalco, Marilyn B. Murov
2001, Fact Sheet 040-01
Monitoring of coarse sediment inputs to the Colorado River In Grand Canyon
Robert H. Webb, Peter G. Griffiths
2001, Fact Sheet 019-01
No abstract available....
Water Supply in the Mojave River Ground-Water Basin, 1931-99, and the Benefits of Artificial Recharge
Christina L. Stamos, Tracy Nishikawa, Peter Martin
2001, Fact Sheet 122-01
The Mojave River and the associated aquifer system are important water supplies in the Mojave Desert of southern California. The river and aquifer system are in hydraulic connection in many areas, and when flow conditions change in one, the other usually is affected. The river is an unpredictable source of...
Pesticides in Ground Water - Sheridan County, Wyoming, 1999-2000
Cheryl A. Eddy-Miller (Prepared by), Jodi R. Norris
2001, Fact Sheet 123-01
The difference between the potentiometric surfaces of the Aquia aquifer, September 1982 and September 1999 in southern Maryland
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2001, Open-File Report 2001-205
This report presents a map showing the change in the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in Southern Maryland for September 1982 and September 1999. The map, based on water level measurements in 67 wells, shows that the change of the potentiometric...
Aquifer-characteristics data for West Virginia
Mark D. Kozar, Melvin V. Mathes
2001, Water-Resources Investigations Report 2001-4036
Specific-capacity, storage-coefficient, and specific-yield data for wells in West Virginia were compiled to provide a data set from which transmissivity could be estimated. This data can be used for analytical and mathematical groundwater flow modeling. Analysis of available storage-coefficient and (or) specific-yield data indicates the Ohio River alluvial aquifer has...
The National Map - Missouri Pilot Project
Water Resources Division, U.S. Geological Survey
2001, Fact Sheet 115-01
Governments depend on a common set of geographic base information as a tool for economic and community development, land and natural resource management, and health and safety services. Emergency management and defense operations rely on this information. Private industry, nongovernmental organizations, and individual citizens use the same geographic data. Geographic...
Hydrology of the coastal springs ground-water basin and adjacent parts of Pasco, Hernando, and Citrus Counties, Florida
Lari A. Knochenmus, Dann K. Yobbi
2001, Water-Resources Investigations Report 2001-4230
The coastal springs in Pasco, Hernando, and Citrus Counties, Florida consist of three first-order magnitude springs and numerous smaller springs, which are points of substantial ground-water discharge from the Upper Floridan aquifer. Spring flow is proportional to the water-level altitude in the aquifer and is affected primarily by the magnitude...
Status of shallow-aquifer mapping in the Northern Front Range Area, Colorado
Stanley G. Robson
2001, Fact Sheet 069-00
Mapping of shallow aquifers in the northern Front Range area of Colorado has been completed as part of the U.S. Geological Survey Front Range Infrastructure Resources Project. The aquifer mapping was undertaken as part of a comprehensive effort to better define the mineral, energy, cartographic, biological, and water resources that...
Science Plan, U.S. Geological Survey Florida District
Kathleen M. Hammett, Brian G. Katz, Benjamin F. McPherson, Eduardo Patino, Donna M. Schiffer, Leslie Wedderburn, Dann K. Yobbi
2001, Open-File Report 2001-180
This Science Plan has been prepared by the Florida District of the U.S. Geological Survey (USGS) as a tool to provide direction for the scientific work to be accomplished in the District during the next 5-10 years. A Science Plan can serve as a guide to determine the optimum use...
