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Page 4707, results 117651 - 117675

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Aeromagnetic map of the Arnold Mesa Roadless Area, Yavapai County, Arizona
Willard E. Davis, Edward W. Wolfe
1983, Miscellaneous Field Studies Map 1577-D
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...
Map and interpretation of geochemical anomalies in the White Mountains, Blanco Mountain, Birch Creek, and Black Canyon Roadless Areas, White Mountains, California and Nevada
Michael F. Diggles
1983, Miscellaneous Field Studies Map 1361-B
The geochemical results show the most anomalous part of the study area to be the White Mountain Fault zone along the northwestern range front.  Silver, lead, and zinc mineralization in calcareous rocks, porphyry copper in dikes, gold-arsenic quartz vein deposits, tungsten and molybdenum tactite mineralization, and argillic alteration zones are...
Mineral resource potential map of the Gee Creek Wilderness, Polk and Monroe counties, Tennessee
Jack B. Epstein, Gertrude C. Gazdik, Paul T. Behum
1983, Miscellaneous Field Studies Map 1474-D
The Gee Creek Wilderness comprises 2,493 acres (nearly 4 square miles) in the Cherokee National Forest, Polk and Monroe Counties, Tennessee, about 4 miles (6 km) southeast of Etowah, Tenn., and about 20 miles northeast of Cleveland, Tenn. All of the surface in the wilderness is in U.S. Government ownership;...
Maps showing mines, quarries, and prospects, with analyses of samples, Gee Creek Wilderness, Polk and Monroe counties, Tennessee
Gertrude C. Gazdik, Paul T. Behum
1983, Miscellaneous Field Studies Map 1474-C
This report is part of a series that assesses the mineral potential of the Gee Creek Wilderness (fig. 1). Other reports in the series describe the geology (Epstein, 1983a), geochemistry (Epstein, 1983b), and a summary interpretive report (Epstein, Gazdik, and Behum, 1983).  During the recent U.S. Bureau of Mines field investigation,...
Mineral resource potential map of the Buffalo Peaks Wilderness Study Area, Lake, Park, and Chaffee Counties, Colorado
D. C. Hedlund, G.A. Nowlan, R. H. Wood
1983, Miscellaneous Field Studies Map 1628-A
Under the provisions of the Wilderness Act (Public Law 88-577, September 3, 1964) and the Joint Conference Report on Senate Bill 4, 88th Congress, the U.S. Geological Survey and the U.S. Bureau of Mines have been conducting mineral surveys of wilderness and primitive areas. Areas officially designated as "wilderness," "wild,"...
Structural-stratigraphic framework and correlation of coal beds in the Tongue River and Sentinel Butte Members of the Fort Union Formation, Daglum 15-minute quadrangle, Billings, Stark, and Slope Counties, North Dakota
Jim S. Hinds
1983, Miscellaneous Field Studies Map 1345-A
The Daglum quadrangle of southwestern North Dakota (see index map) is underlain by 11 lignite beds that exceed 5 ft in thickness within the Sentinel Butte and Tongue River Members of the Fort Union Formation.  Six of these bed crop out within the quadrangle.  This report illustrates the stratigraphic position,...
Geologic and mineral resource potential map of the Chambers Ferry Roadless Area, Sabine National Forest, Sabine County, Texas
B. B. Houser, George S. Ryan
1983, Miscellaneous Field Studies Map 1553
Under the provisions of the Wilderness Act (Public Law 88-577, September 3, 1964) and the Joint Conference Report on Senate Bill 4, 88th Congress, the U.S. Geological Survey and the U.S. Bureau of Mines have been conducting mineral surveys of wilderness and primitive areas. Areas officially designated as "wilderness," "wild,"...