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Page 4143, results 103551 - 103575

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Statistical summary of streamflow data for Indiana
Donald V. Arvin
1989, Open-File Report 89-62
Statistical analyses of daily mean discharge values collected at 229 Indiana streamflow-gaging stations are presented. For each station, data collected from the beginning of period of record through the 1985 water year were analyzed. Summaries include flow-duration, high-flow, and low-flow tables, and monthly and annual mean discharge. (USGS)...
Cost effectiveness of the stream-gaging program in North Dakota
Gerald L. Ryan
1989, Water-Resources Investigations Report 89-4068
This report documents results of a cost-effectiveness study of the stream-gaging program In North Dakota. It is part of a nationwide evaluation of the stream-gaging program of the U.S. Geological Survey.One phase of evaluating cost effectiveness is to identify less costly alternative methods of simulating streamflow records. Statistical or hydro...
Water resources data, Florida, water year 1988. Volume 3B: Southwest Florida - ground water
Water Resources Division, U.S. Geological Survey
1989, Water Data Report FL-88-3B
Water resources data for the 1988 water year in Florida consist of continuous or daily discharge for 338 streams, periodic discharge for 34 streams, miscellaneous discharge for 28 streams, continuous or daily stage for 152 streams, periodic stage for 29 streams, peak discharge for 71 streams, continuous daily tide stage...
Preparation of average annual runoff map of the United States, 1951-80
W.R. Krug, W.A. Gebert, D.J. Graczyk
1989, Open-File Report 87-535
Average annual runoff was computed or estimated for 2,148 hydrologic cataloging units in the United States and Puerto Rico , for the period 1951-80. Runoff was computed from the recorded streamflow at 5,951 U.S. Geological Survey gaging stations. The runoff at more than 3,000 of these stations was estimated by...
Hydrologic environments and water-quality characteristics at four landfills in Mecklenburg County, North Carolina, 1980-86
A.P. Cardinell, C.R. Barnes, W.H. Eddins, R. W. Coble
1989, Water-Resources Investigations Report 89-4035
A water-quality study was conducted during 1980-86 at four landfills in Mecklenburg County, North Carolina. Each landfill has a three-layered hydrogeologic system typical of the Piedmont, consisting of (1) the regolith; (2) a transition zone; and (3) unweathered, fractured crystalline bedrock. As much as 7.6 inches per year of rainfall...
Gold in placer deposits
Warren Yeend, Daniel R. Shawe, Kenneth L. Wier
1989, Bulletin 1857-G
Man most likely first obtained gold from placer deposits, more than 6,000 years ago. Placers account for more than two-thirds of the total world gold supply, and roughly half of that mined in the States of California, Alaska, Montana, and Idaho.Placer deposits result from weathering and release of gold from...
Ground-water inflow to the Deschutes River near the Warm Springs Indian Reservation, Oregon, August 1985
E.L. Bolke, Antonius Laenen
1989, Water-Resources Investigations Report 88-4184
Groundwater inflow to the Deschutes River near the Warm Springs Indian Reservation in Oregon was estimated for August 1985 by: (1) measuring streamflow at various sites along the river; (2) determining the part of the streamflow that is groundwater inflow; and (3) analyzing the hydraulic gradients of the groundwater flow...
Effects of agriculture on quality of water in surficial sand-plain aquifers in Douglas, Kandiyohi, Pope, and Stearns counties, Minnesota
H. W. Anderson Jr.
1989, Water-Resources Investigations Report 87-4040
The 245 water samples collected from 56 wells at 45 sites in surficial sand-plain aquifers that underlie 600 square miles of Douglas, Kandiyohi, Pope, and Stearns Counties in west-central Minnesota contained wide ranges in concentrations of some constituents--sulfate 2 to 160 mg/L (milligrams per liter), chloride 1.6 to 64 mg/L,...
Field conditions at the Maricopa Agricultural Center, Pinal County, Arizona, September 28, 1989
Sandra J. Owen-Joyce
1989, Open-File Report 89-590
Field conditions were documented during the Landsat and SPOT satellite overpasses of the Maricopa Agricultural Center, Pinal County, Arizona, on September 28, 1989. Crop types were mapped and photographed for each demonstration farm field, and irrigation, cultivation, and orientation of rows are described. Field and photographic descriptions are presented in...
Corrosive ground water in the Kirkwood-Cohansey aquifer system in the vicinity of Ocean County, east-central New Jersey
George R. Kish, Julia L. Barringer, Randy L. Ulery
1989, Water-Resources Investigations Report 87-4181
Corrosive groundwater, which has been linked to trace-metal leaching from plumbing materials in Europe and the United States , has been identified in the Coastal Plain of New Jersey. The corrosiveness of groundwater in the Kirkwood-Cohansey aquifer system in New Jersey has been estimated by calculating values for the Aggressive...