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Page 4140, results 103476 - 103500

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Lithology, thickness, and extent of hydrogeologic units underlying the East Portland area, Oregon
S.V. Hartford, W. D. McFarland
1989, Water-Resources Investigations Report 88-4110
The lithology, thickness, and extent of eight distinct hydrogeologic units are described and mapped within the East Portland area of Oregon. The thickness, extent, and top of each unit are shown on contour maps at scales of 1:24,000. Their stratigraphic relations are displayed on a diagrammatic cross section. The geologic...
Water Resources Data for California, Water Year 1988. Volume 4. Northern Central Valley Basins and The Great Basin from Honey Lake Basin to Oregon State Line
W.F. Shelton, S.W. Anderson, R.J. Mullen
1989, Water Data Report CA-88-4
Water resources data for the 1988 water year for California consist of records of stage, discharge, and water quality of streams; stage and contents in lakes and reservoirs; and water levels and water quality in wellso Volume 4 contains discharge records for 160 gaging stations; stage and contents for 35...
The hydrogeologic framework and a reconnaissance of ground-water quality in the Piedmont Province of North Carolina, with a design for future study
Douglas Harned
1989, Water-Resources Investigations Report 88-4130
The U.S. Geological Survey is investigating the relation of ground- water quality and land use in the regolith and fractured rock ground-water system of the North Carolina Piedmont. The initial phase of this study provides a description of the ground-water flow system and a review of available ground-water data and...
Hydrogeology and results of aquifer tests in the vicinity of a hazardous-waste disposal site near Byron, Illinois
Robert T. Kay, David N. Olson, Barbara J. Ryan
1989, Water-Resources Investigations Report 89-4081
The U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, conducted an investigation of a Superfund Site near Byron, Illinois. The purpose of the investigation was to determine the hydrogeologic properties of the Galena-Platteville and St. Peter aquifers, the primary water-supply aquifers for domestic supply in the area....
Hydrology of the Castle Lake blockage, Mount St. Helens, Washington
William Meyer, M. A. Sabol
1989, Water-Resources Investigations Report 87-4272
The debris avalanche that occurred during the May 19, 1980, eruption of Mount St. Helens blocked South Fork Castle Creek and created Castle Lake. Stability of the blockage was of concern, and a digital model that simulates three-dimensional groundwater movement in the blockage was constructed as part of the analysis...
Hydrogeology and ground-water-quality conditions at the Geary County landfill, northeast Kansas, 1988
N. C. Myers, P. R. Bigsby
1989, Water-Resources Investigations Report 89-4114
Chemical analysis of water from monitoring wells upgradient and downgradient of the Geary County Landfill in Kansas near Junction City indicate the presence of several chemically distinct water types. For the dominant calcium bicarbonate water type, concentrations of inorganic and organic constituents indicate the presence of reducing conditions within the...
Hydrology of the Prospector Square area, Summit County, Utah
J. L. Mason
1989, Water-Resources Investigations Report 88-4156
The Silver Creek tailings site is in Prospector Square, a commercial development and residential community in Summit County, Utah. This study assessed the presence of metals and the movement of groundwater in the unconsolidated valley-fill and consolidated-rock aquifers underlying the tailings. The unconsolidated valley fill is a poorly sorted mixture...