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Page 5874, results 146826 - 146850

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Water table in the surficial aquifer and potentiometric surface of the Floridan Aquifer in selected well fields, west-central Florida, May 1976
C. B. Hutchinson, L. R. Mills
1977, Open-File Report 77-257
The water table in the surficial aquifer (sand) and the potentiometric surface of the Floridan aquifer (limestone) in a 1,200-square-mile area in west-central Florida are mapped semiannually by the U.S. Geological Survey. Maps are prepared each May and September to coincide with seasonal low and high ground-water levels. The mapped...
A FORTRAN program for calculating nonlinear seismic ground response
William B. Joyner
1977, Open-File Report 77-671
The program described here was designed for calculating the nonlinear seismic response of a system of horizontal soil layers underlain by a semi-infinite elastic medium representing bedrock. Excitation is a vertically incident shear wave in the underlying medium. The nonlinear hysteretic behavior of the soil is represented by a model...
Low-flow characteristics of streams on the Olympic Peninsula, Washington
W.L. Haushild, D.E. LaFrance
1977, Open-File Report 77-812
Streams in lowland basins of the Olympic Peninsula, Washington, generally have their low flows in summer and peak flows in winter, whereas streams originating at higher elevations in the mountains have their low flows in late summer-early fall and they have both winter and spring peak flows. Data from long-term...
Geochemistry and mineralogy of the carbonates of the Creede mining district, Colorado
Pamela Heald Wetlaufer
1977, Open-File Report 77-706
This paper describes the results of a study of the carbonate gangue in the silver-base metal ore deposit of the Creede mining district, located in Tertiary volcanic rocks of the central San Juan Mountains, southwestern Colorado. Two carbonate stages can be distinguished and defined on the basis of mineral association,...
The Eutaw-McShan aquifer in Mississippi
E. H. Boswell
1977, Water-Resources Investigations Report 76-134
This report, the fifth in a series of 'atlas-type' reports, summarizes the large amount of unpublished data available for the Eutlaw-McShan aquifer in Mississippi. The Eutaw-McShan aquifer, of Cretaceous age, consists of the interconnected irregular sand beds in the Eutaw and McShan Formations. The aquifer contains fresh water in an...
Artificial-recharge tests in Upper Black Squirrel Creek basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado
P.J. Emmons
1977, Water-Resources Investigations Report 77-11
Artificial-recharge tests were conducted in the alluvium in upper Black Squirrel Creek basin, the alluvium in Jimmy Camp Valley, and in the alluvium overlying the Widefield aquifer which is located in an ancestral channel in Fountain Valley, Colo. Nine artificial-recharge pits with areas of approximately 9,200 square feet each were...
Mapping the lateral boundaries of a cooling basaltic lava lake, Kilauea Iki, Hawaii
Vincent J. Flanigan, Charles J. Zablocki
1977, Open-File Report 77-94
Two types of electromagnetic (EM) profiling techniques were used to delineate the surface projection of the edges of the still-molten basaltic lava lens that exists in Kilauea Iki Crater, Hawaii. These studies were made as part of an intensive geophysical program aimed at defining the overall configuration of the liquid...
Water resources data for Kansas, water year 1976
Water Resources Division, U.S. Geological Survey
1977, Water Data Report KS-76-1
Water resources data for the 1976 water year for Kansas consists of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality in wells. This report contains discharge records for 148 gaging stations; stage and contents...
Water resources data for Washington, water year 1976, Vol. 2 - Eastern Washington
Water Resources Division, U.S. Geological Survey
1977, Water Data Report WA-76-2
Water resources data for the 1976 water year for Washington consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels of ground water. This report contains discharge records for 248 gaging stations; stage only records for 3...