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3321 results.

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Page 77, results 1901 - 1925

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Not all publications have extents, not all extents are completely accurate
Map showing the distribution of minerals in the heavy-mineral concentrate of stream sediments in the Sierra Ancha Wilderness and Salome Study Area, Gila County, Arizona
R. B. Tripp, H. N. Barton, J.C. Negri, P. K. Theobald
1980, Miscellaneous Field Studies Map 1162-E
Reconnaissance geochemical and mineralogical sampling was done in the Sierra Ancha Wilderness and Salome Study Area during April and May 1978. This map shows the distribution of chalcopyrite, florite, galena, scheelite, and lead-rich iron oxides in the nonmagnetic fraction of the heavy-mineral concentrate of stream sediment samples collected during the...
Seismicity map of the State of Wisconsin
C. W. Stover, B.G. Reagor, S. T. Algermissen
1980, Miscellaneous Field Studies Map 1229
The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States in the United States (Algermissen, 1969) which have been recompiled and updated through 1977.  These data have been reexamined...
Coal-quality information from the eastern United States
Virgil A. Trent
1980, Miscellaneous Field Studies Map 1190
The United States is attempting to increase domestic coal production in order to reduce dependence upon costly imported petroleum and to stabilize domestic fuel supplies, until alternative sources of energy are developed.  In 1975, coal production for the United States amounted to roughly 654 million short tons (593.5 million metric...
Seismicity map of the State of Michigan
C. W. Stover, B.G. Reagor, S. T. Algermissen
1980, Miscellaneous Field Studies Map 1228
The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States in the United States (Algermissen, 1969) which have been recompiled and updated through 1977.  These data have been reexamined...
Maps showing coal resources of the Jewell Bridge Quadrangle, Buchanan and Tazewell counties, Virginia
Kenneth J. Englund, Nancy K. Teaford
1980, Miscellaneous Field Studies Map 1211
Coal of low-volatile to high-volatile A bituminous rank is the principal developed mineral resource in the Jewell Ridge quadrangle.  The coal beds in the Jewell Ridge quadrangle contain total estimated original resources of 1,519 million tons.  Of this total, 108 million tons have been mined or lost in mining, leaving...