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Statistical summary of water-quality data collected from selected wells and springs in the Edwards Aquifer near San Antonio, Texas
Frank C. Wells
1985, Open-File Report 85-182
Statistical summaries of available water-quality data collected from 90 wells and 3 springs in the Edwards aquifer near San Antonio, Texas, are presented. The statistical summaries provide information on the range in values for each water-quality constituent as well as the mean value, the standard deviation about the mean; and...
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...
Stratigraphy and characteristic mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group— Virginia coastal plain
Lauck W. Ward
1985, Professional Paper 1346
Along the Pamunkey River and its tributaries can be found a very complete, well-preserved, Tertiary stratigraphic record that reflects the sea-level changes as well as the local tectonic history of the central Virginia Coastal Plain. Using this record, I have described the lower Tertiary units and proposed a sequential model...
Hydrologic reconnaissance of the Chilkat River basin, southeast Alaska, with special reference to the bald eagle critical habitat at the Tsirku River alluvial fan
Edward F. Bugliosi
1985, Open-File Report 84-618
The Chilkat River basin in southeast Alaska is characterized by rugged, highly dissected mountains with steep-gradient streams, braided rivers in broad alluvium-filled valleys, and numerous glaciers. A wide seasonal range in temperature and strong orographic effects cause variations in the amount and distribution of precipitation, and thus in the resulting...
Reconnaissance geochemical exploration of the plutons of quartz monzonite and granite in the Jabal Lababa and Ar Rayth areas, southern Asir, Kingdom of Saudi Arabia
W.C. Overstreet, A.B. Assegaff, Mohammed Jambi, M.A. Hussain, G.I. Selner, J.J. Matzko
1985, Open-File Report 85-8
Geochemical reconnaissance for rare metals in plutons of albite-muscovite granite and quartz monzonite in the vicinity of Jabal Lababa disclosed positive geochemical anomalies for beryllium, tantalum, thorium, lanthanum, niobium, tin, yttrium, and zirconium. The low anomalous values for the rare metals in rocks and the short mechanical dispersion trains, seldom...
Hydrogeologic data from a test well in east-central Duval County, Florida
D.P. Brown, R.A. Johnson, R.A. Broxton
1985, Open-File Report 84-802
A 2,112-foot test well was drilled in east-central Duval County, Florida, to obtain geologic, hydrologic, and water chemistry data. Drill cuttings and water samples were collected, and water-level measurements and lithologic and geophysical logs were made. Deposits to a depth of 575 feet consist of sand, clayey sand, phosphatic sandy...