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Regional flow in the Dakota aquifer: A study of the role of confining layers
John D. Bredehoeft, C. E. Neuzil, P. C. Milly
1983, Water Supply Paper 2237
The Dakota Sandstone in South Dakota is one of the classic artesian aquifers; it was first studied by N. H. Darton at the turn of the century. Since then, hydrogeologists have debated the source of the large quantities of water which have been discharged by artesian flow from the Dakota....
Comparison of the chemical characteristics of the uranium deposits of the Morrison Formation in the Grants uranium region, New Mexico
C.S. Spirakis, C. T. Pierson
1983, Open-File Report 83-380
Statistical treatment of the chemical data of samples from the northeast Church Rock area, Ruby deposit, Mariano Lake deposit, and the Ambrosia Lake district indicates that primary ore-forming processes concentrated copper, iron, magnesium, manganese, molybdenum, selenium, vanadium, yttrium, arsenic, organic carbon, and sulfur, along with uranium. A barium halo that...
Water-resources investigations of the U.S. Geological Survey in Kansas; fiscal years 1981 and 1982
J. F. Kenny, L. J. Combs
1983, Open-File Report 83-932
One of the primary missions of the U.S. Geological Survey in Kansas is to investigate the occurrence, quantity, quality, distribution, and movement of surface and groundwater throughout the State. Primary activities include the systematic collection, analysis, and interpretation of hydrologic data, evaluation of water demands, and water-resources research. Hydrologic investigations...
Hydrology of area 38, Western Region, Interior Coal Province, Iowa and Missouri
M.G. Detroy, John Skelton
1983, Open-File Report 82-1014
A nationwide need for information characterizing hydrologic conditions in mined and potential mine areas has become paramount with the enactment of the Surface Mining Control and Reclamation Act of 1977. This report is designed to be useful to the mine owners, operators, and others by presenting information about the existing...
Limnological study of Shasta Lake, Shasta County, California, with emphasis on the effects of the 1977 drought
S.A. Rettig, Gilbert C. Bortleson
1983, Water-Resources Investigations Report 82-4081
An intensive limnological study of Shasta Lake was made in conjunction with the California Department of Water Resources during the 1977 drought. Water-quality data were collected from March 1977 through September 1978 at six lake stations and four lake tributary stations. Data collected during and after the drought were compared....
Preliminary thermal-maturity map of the Cameo and Fairfield or equivalent coal zone in the Piceance Creek Basin, Colorado
Vito F. Nuccio, Ronald C. Johnson
1983, Miscellaneous Field Studies Map 1575
This map was prepared in cooperation with the U.S. Department of Energy's Western Gas Sands Project and was constructed to show the thermal maturity of the Upper Cretaceous Mesaverde Formation (or Group) in the Piceance Creek Basin. The ability of a source rock to generate oil and gas is directly...
Geochemical map of the Arnold Mesa Roadless Area, Yavapai County, Arizona
Edward W. Wolfe
1983, Miscellaneous Field Studies Map 1577-C
The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral resource potential. Results must be made available to the public and be submitted to the President and...