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Dissolved-solids concentration in water from the upper permeable zone of the Tertiary limestone aquifer system, southeastern United States
Craig L. Sprinkle
1982, Open-File Report 82-94
The Tertiary limestone aquifer system of the southeastern United States is a thick sequence of carbonate rocks that range from Paleocene to Miocene in age and are hydraulically connected in varying degrees. The upper permeable zone of the aquifer system consists of the Tampa, Suwannee, Ocala, and Avon Park Limestones....
Mineral resource potential map of the James River Face Wilderness, Bedford and Rockbridge counties, Virginia
C. Erwin Brown, Gertrude C. Gazdik
1982, Miscellaneous Field Studies Map 1337-D
The rocks in the James River Face Wilderness are shales and quartzites that overlie a meta-igneous basement. They are folded into a large southwestward-plunging anticline that is cut off on the east and south by an extensive thrust fault that brings old basement rocks over the younger sedimentary rocks. Geochemical...
Generalized altitude and configuration of the water table in parts of Larimer, Logan, Sedgwick, and Weld Counties, Colorado
Ronald G. Borman, Neville G. Gaggiani
1982, Water-Resources Investigations Report 82-4055
The water table in parts of Larimer, Logan, Sedgwick, and Weld Counties, Colorado ranges from about 7,000 feet above the National Geodetic Vertical Datum of 1929 (formerly called mean sea level) in eastern Larimer County to about 3,450 feet in northeastern Sedgwick County. Water is moving to the south and...
Depth and temperature of permafrost on the Alaskan Arctic Slope; preliminary results
Arthur H. Lachenbruch, J.H. Sass, L.A. Lawver, M.C. Brewer, T.H. Moses
1982, Open-File Report 82-1039
As permafrost is defined by its temperature, the only way to determine its depth is to monitor the return to equilibrium of temperatures in boreholes that penetrate permafrost. Such measurements are under way in 25 wells on the Alaskan Arctic Slope; 21 are in Naval Petroleum Reserve Alaska (NPRA), and...
Preliminary survey of ground-water resources for Island County, Washington
D.R. Cline, M. A. Jones, N. P. Dion, K. J. Whiteman, D. B. Sapik
1982, Open-File Report 82-561
Increased ground-water withdrawals associated with the population increase in Island County have caused concern about ground-water availability and potential seawater intrusion. The most widespread and widely used aquifer lies near sea level. Locally, available data also indicate that one or more water-bearing zones lie above the sea-level aquifer. Pumpage in...
Water quality of the tidal Potomac River and estuary hydrologic data report, 1980 water year
Stephen Blanchard, R.H. Coupe Jr., J.C. Woodward
1982, Open-File Report 82-152
This report contains data on the physical and chemical properties measured in the Tidal Potomac River and Estuary during the 1980 Water Year. Data were collected routinely at five stations, and periodically at 17 stations including three stations near the mouth of the Potomac River in Chesapeake Bay. Each of...
Lode gold and silver occurrences in Alaska
Edward H. Cobb
1982, Open-File Report 82-406
The following references give data, as of September 1, 1981, on localities where lode gold or silver has been found and are keyed to locations shown on the accompanying map. An asterisk (*) preceding a locality name indicates recorded production. In most instances the report(s) cited for each occurrence is...