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Page 3731, results 93251 - 93275

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Hydrogeology and analysis of ground-water-flow system, Sagamore Marsh area, southeastern Massachusetts
Donald A. Walter, John P. Masterson, Paul M. Barlow
1996, Water-Resources Investigations Report 96-4200
A study of the hydrogeology and an analysis of the ground-water-flow system near Sagamore Marsh, southeastern Massachusetts, was undertaken to improve the understanding of the current (1994­ 95) hydrogeologic conditions near the marsh and how the ground-water system might respond to proposed changes in the tidal-stage regime of streams that...
Estimated water withdrawals and use in Illinois, 1990
C.C. Avery
1996, Open-File Report 96-396
The total amount of water withdrawn in Illinois during 1990 was about 18,016 million gallons per day (Mgal/d). This amount was about 740 Mgal/d less than in 1988. The total water withdrawn for thermoelectric-power generation was about 15,170 Mgal/d; about 370 Mgal/d was consumptively used. About 936 Mgal/d, or 33...
Analysis of the peak-flow gaging network in North Dakota
Tara Williams-Sether
1996, Water-Resources Investigations Report 96-4178
A network analysis technique using generalized least-squares regression was used to evaluate the current (1993) peak-flow gaging network that provides regional peak-flow information for North Dakota. The analysis was conducted to evaluate the current (1993) network and to determine if reactivating discontinued gaging stations and adding new gaging stations on...
Hydrology of central Florida lakes, a primer
D. M. Schiffer, Rafael Medina
1996, Open-File Report 96-412
Lakes are among the most valued natural resources of central Florida. The landscape of central Florida is riddled with lakes—when viewed from the air it almost seems there is more water than land. Florida has more naturally formed lakes than other southeastern States, where many lakes are manmade, created by...
Computer model of Raritan River Basin water-supply system in central New Jersey
Paul Dunne, Gary D. Tasker
1996, Open-File Report 96-360
This report describes a computer model of the Raritan River Basin water-supply system in central New Jersey. The computer model provides a technical basis for evaluating the effects of alternative patterns of operation of the Raritan River Basin water-supply system during extended periods of below-average precipitation. The computer model is...
Selected hydrologic data, through water year 1994, Black Hills Hydrology Study, South Dakota
D.G. Driscoll, W.L. Bradford, K.M. Neitzert
1996, Open-File Report 96-399
This report presents water-level, water-quality, and spring data that have been collected or compiled, through water year 1994, for the Black Hills Hydrology Study. This study is a long-term cooperative effort between the U.S. Geological Survey, the South Dakota Department of Environment and Natural Resources, and the West Dakota Water...
Precipitation, streamflow and water quality data from selected sites in the City of Charlotte and Mecklenburg County, North Carolina, 1993-95
J. B. Robinson, W. F. Hazell, R. G. Garrett
1996, Open-File Report 96-150
Charlotte and Mecklenburg County from October 1993 through June 1995 to identify the type, concentration, and amount of nonpoint-source stormwater runoff within the area. The data collected include measurements of precipitation; streamflow; physical characteristics, such as water temperature, pH, specific conductance, biochemical oxygen demand, oil and grease, and suspended sediment...
When the blue-green waters turn red: Historical flooding in Havasu Creek, Arizona
Theodore S. Melis, William M. Phillips, Robert H. Webb, Douglas J. Bills
1996, Water-Resources Investigations Report 96-4059
Havasu Creek, the second largest tributary of the Colorado River in Grand Canyon National Park, attracts numerous visitors each year owing to its spectacular scenery. Perennial streamflow seldom exceeds 2 cubic meters per second (m3/s), but supports important stands of riparian vegetation, forms unique travertine pools, and spills over spectacular...
Methodology used to produce an encoded 1:100,000-scale digital hydrographic data layer for the Pacific Northwest
B.J. Fisher
1996, Water-Resources Investigations Report 94-4043
The U.S. Geological Survey (USGS) has produced a River Reach File data layer for the Pacific Northwest for use in water-resource management applications. The Pacific Northwest (PNW) River Reach Files, a geo-referenced river reach data layer at 1:100,000-scale, are encoded with the U.S. Environmental Protection Agency"s (EPA) reach numbers. The...
Concentrations of selected herbicides, herbicide metabolites, and nutrients in outflow from selected midwestern reservoirs, April 1992 through September 1993
E.A. Scribner, D. A. Goolsby, E.M. Thurman, M. T. Meyer, W.A. Battaglin
1996, Open-File Report 96-393
This data set consists of digital aquifer boundaries for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to almost 45 degrees north latitude and from 96 degrees 30 minutes to almost 104 degrees west longitude. The area covers 174,000...