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Page 4423, results 110551 - 110575

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Hydrologic and geologic analysis of two wells in Marion County, South Carolina
M.S. Reid, R.A. Renken, R. L. Wait, W. R. Aucott, R. W. Lee
1986, Water-Resources Investigations Report 86-4102
Two test wells were drilled in Marion County, South Carolina in 1982. Well MRN 77 (Marion 77) was drilled to a depth of 365 ft and was used as an observation well in the Black Creek aquifer and to supply water during drilling of the deeper well. MRN 78 (Marion...
Methods for hydrologic monitoring of surface mining in the central-western United States
J.T. Turk, R. S. Parker, R.S. Williams Jr.
1986, Open-File Report 84-600
The regulations promulgated pursuant to the Surface Mining Control and Reclamation Act require the monitoring of potentially impacted hydrologic systems before, during, and after mining operations. This report details characteristics and processes that commonly determine the most acceptable approaches to hydrologic monitoring in the arid and semiarid central-western United States....
Geochemical maps showing distribution and abundance of tin in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona
Kenneth C. Watts, Jerry R. Hassemer, Carl L. Forn, David F. Siems
1986, Miscellaneous Field Studies Map 1183-I
These maps (Maps A and B) show the distribution and abundance tin in the nonmagnetic and magnetic fractions of heavy-mineral concentrates from stream sediments collected in the Silver City 1o x 2o quadrangle, New Mexico and Arizona. Geochemical maps showing the distribution and abundance of 10 other selected key elements and the mineral...
Seismic-reflection profiles of the New Madrid seismic zone-data along the Mississippi River near Caruthersville, Missouri
A. J. Crone, S.T. Harding, D. P. Russ, K. M. Shedlock
1986, Miscellaneous Field Studies Map 1863
The tectonic setting and the earthquake hazards of the New Madrid seismic zone in the northern Mississippi embayment have been the subject of intensive study the past several years as part of the Earthquake Hazard Reduction Program of the USGS (U.S. Geological Survey). These efforts have improved our knowledge of...