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Page 4566, results 114126 - 114150

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Effects of three phosphate industrial sites on ground-water quality in central Florida, 1979 to 1980
R. L. Miller, Horace Sutcliffe Jr.
1984, Water-Resources Investigations Report 83-4256
Geologic, hydrologic, and water quality data and information on test holes collected in the vicinity of gypsum stack complexes at two phosphate chemical plants and one phosphatic clayey waste disposal pond at a phosphate mine and beneficiation plant in central Florida are presented. The data were collected from September 1979...
Example calculations of possible ground-water inflow to mine pits at the West Decker, East Decker, and proposed North Decker mines, southeastern Montana
R. E. Davis
1984, Water-Resources Investigations Report 84-4199
Proposed plans to raise the spillway of the Tongue River Dam, Montana, 14 feet would result in an increase in the reservoir stage, which will affect the amount of ground-water inflow from the reservoir to existing and proposed surface coal mine pits near Tongue River Reservoir. Example calculations are based...
A finite-element simulation model for saturated-unsaturated, fluid-density-dependent ground-water flow with energy transport or chemically- reactive single-species solute transport
C.I. Voss
1984, Water-Resources Investigations Report 84-4369
SUTRA (Saturated-Unsaturated Transport) is a computer program which can be used to simulate the movement of fluid and the transport of either energy or dissolved substances in a subsurface environment. The model employs a two-dimensional hybrid finite-element and integrated-finite-difference method to approximate the governing equations that describe the two interdependent...
Ground-water resources of the Mattapoisett River aquifer, Plymouth County, Massachusetts: Summary for water-resource managers
Virginia De Lima, Julio C. Olimpio
1984, Water-Resources Investigations Report 84-4023
Proposed increases in municipal pumpage in the Mattapoisett River valley will triple ground-water withdrawals in the next two decades. Because of State and local concern about the long-term effects of these withdrawals on ground-water levels and streamflow, a digital ground-water-flow model was developed to assist water-resource management. Ten development scenarios...
Water-level and water-quality changes in Great Salt Lake, Utah, 1847-1983
Ted Arnow
1984, Circular 913
The surface level of Great Salt Lake, Utah, fluctuates continuously, primarily in response to climatic factors. During 1847-1982 the lake surface fluctuated between a low of about 4,191 feet and a high of about 4,212 feet above sea level but showed no net change. From September 18, 1982, to June...
Relation of urban land-use and dry-weather, storm, and snowmelt flow characteristics to stream-water quality, Shunganunga Creek basin, Topeka, Kansas
Larry M. Pope, Hugh E. Bevans
1984, Open-File Report 84-750
Overland runoff from urban areas can cause concentrations of some water-quality constituents in local receiving streams to increase. The U.S. Geological Survey in cooperation with the Kansas Department of Health and Environment investigated the water-quality characteristics of streams draining Topeka, Kansas, and adjacent parts of the Shunganunga Creek basin from...
The ground-water resources in the Ross Barnett Reservoir area, Mississippi
W. T. Oakley
1984, Water-Resources Investigations Report 84-4160
The Ross Barnett Reservoir area occupies about 78 sq mi of a 490 sq mi study area northeast of the City of Jackson, MS. For several years, water use in the area has increased and during 1983 about 0.57 mil gal/day were obtained from groundwater sources. Virtually all groundwater in...
Floods of November 1978 to March 1979 in Arizona and west-central New Mexico
Byron Neil Aldridge, T.A. Hales
1984, Water Supply Paper 2241
Severe flooding occurred in parts of the Little Colorado and Gila River basins as a result of a storm that occurred December 17-20, 1978. The central highlands received 3 to 10 inches of precipitation that was augmented by snowmelt to altitudes of 10,000 feet. The storm was preceded by extremely...
Selenium concentrations in waters tributary to and in the vicinity of the Kesterson National Wildlife Refuge, Fresno and Merced counties, California
T. S. Presser, Ivan Barnes
1984, Water-Resources Investigations Report 84-4122
Analyses were made for selenium in waters and other materials of the Kesterson National Wildlife Refuge. Analyses were also made of source agricultural drainage waters from the San Luis Drain discharged into the refuge, and surrounding irrigation supply and return waters. Selenium concentrations range from 140 to 1 ,400 micrograms...
Simulated effects of an artificial-recharge experiment near Proctor, Logan County, Colorado
A.W. Burns
1984, Water-Resources Investigations Report 84-4010
An artificial-recharge experiment was conducted near Proctor, Colorado in which a computed 620 acre-feet were pumped from a well during a 4-month period. A computed 420 acre-feet were delivered at the potential reservoir site, and the remaining 200 acre-feet leaked from the pipeline. No pond was created due to the...
Maps showing selected geology and phosphate resources of the Sage Valley quadrangle, Caribou County, Idaho
Pamela Dunlap Derkey, Bea Johnston, Pamela Palmer, R. D. Hovland
1984, Mineral Investigations Resource Map 73
This report summarizes information on the thickness, grade, lateral continuity, phosphate resources, and ownership of phosphate-bearing units in the Meade Peak Phosphatic Shale Member of the Phosphoria Formation in the Sage Valley quadrangle. This report is one of a series of quadrangle reports prepared by the Idaho Bureau of Mines...