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Page 5550, results 138726 - 138750

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Ground-water levels in selected well fields and in west-central Florida, September 1979
D. K. Yobbi, L. R. Mills, W. M. Woodham
1980, Open-File Report 80-210
The water table in the surficial aquifer and the potentiometric surface of the Floridan aquifer in a 1,200-square-mile area in west-central Florida are mapped semiannually by the U.S. Geological Survey. Maps are based on water levels measured in wells each May to coincide with seasonal low levels, and each September...
Simulated water-level declines near Marienthal, west-central Kansas
Lloyd E. Dunlap
1980, Water-Resources Investigations Report 80-39
Intensive study in an area of 12-square miles near Marienthal, Kansas, has shown a decrease of 30 to 50 percent in saturated thickness of the Ogallala Formation since the development of irrigation. Projections from a digital model indicated the additional water-level declines that might occur from 1978 to 1989 if...
Single-channel seismic-reflection profiles from Massachusetts coastal waters and the western part of Georges Bank
Diane M. Eskenasy
1980, Open-File Report 80-509
The U.S. Geological Survey collected approximately 1,200 km each of airgun and minisparker single-channel seismic-reflection profiles during the R/V FAY cruise 023 in September 1976. The purpose of the 6-day cruise was to study the shallow sedimentary structure south and east of southern Massachusetts and to obtain magnetic and gravity...
Mid-Atlantic multichannel seismic-reflection profiles 14, 15, 16, and 17
John Stevens Schlee
1980, Open-File Report 80-624
The U. S. Geological Survey (USGS) is making available four multi­channel profiles collected by Teledyne Exploration in 1977 by means of a 48-channel streamer (3600 m long) and four airguns (2160 in). Profiles 15 and 16 were processed by.Teledyne Exploration and profiles 14 and 17 were processed on the Phoenix...
High-resolution seismic-reflection profiling data from the inner continental shelf of southeastern Massachusetts
Charles J. O’Hara
1980, Open-File Report 80-178
Six hundred-seventy kilometers of closely spaced high-resolution seismic-­reflection data have been collected from eastern Rhode Island Sound and Vineyard Sound, Mass, by the U.S. Geological Survey in cooperation with the Massachusetts Department of Public Works. These data were obtained during the June 1975 cruise of the R/V ASTERIAS as part...
Side-scan sonograph data from eastern Rhode Island Sound and Vineyard Sound, Massachusetts
Charles J. O’Hara
1980, Open-File Report 80-283
Two hundred twenty-four kilometers of closely spaced side-scan sono­graph data have been collected from eastern Rhode Island Sound and Vineyard Sound, Mass., by the U.S. Geological Survey in cooperation with the New England Division of the U.S. Army Corps of Engineers. These data were obtained during the August 1976 cruise...