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Page 4485, results 112101 - 112125

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Reconnaissance geology of the Al Ba'ayith quadrangle, sheet 26/41 D, Kingdom of Saudi Arabia
P. L. Williams, F. W. Simonds, J.D. Turner
1985, Open-File Report 85-617
The Al Ba'ayith quadrangle, located in the northeastern part of the Arabian Shield, is underlain by upper Proterozoic intrusive rocks and volcanogenic layered sequences bounded by unconformities. The oldest rocks are silicic volcanic rocks of the Banana formation that is tentatively assigned to the Hulayfah group. Successively younger layered rocks...
Index of ground-water quality data for Florida
P. R. Seaber, O.O. Williams
1985, Open-File Report 85-177
The Master Water Data Index of the U.S. Geological Survey contains records and information for 13,925 ground-water quality collection sites in Florida as follows: 2,180 active and 11,559 inactive well sites, and 39 active and 147 inactive spring sites. Ground-water quality data have been and are being collected at more...
Selected annotated bibliographies for image mapping : geometric registration, resampling, contrast enhancement, spatial filtering, and color calibration
B.K. Quirk
1985, Open-File Report 85-51
Many articles have been published in the image processing areas associated with image mapping, but no document has combined these references in a single publication. Image mapping is a new and dynamic field and a baseline document reviewing past research in the image processing areas associated with it needs to...
Background hydrologic information in potential lignite mining areas in north-central Mississippi, August 1984
S. J. Kalkhoff
1985, Open-File Report 85-327
The U.S. Geological Survey, in cooperation with the Mississippi Department of Natural Resources, Bureau of Geology, is conducting a hydrologic data collection program in potential lignite-producing areas in Mississippi. During the last two weeks of August 1984, hydrologic data were collected at 15 stream sites that drain potential lignite mining...