GIS Data
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Geologic map of the South Jackson Mountains Wilderness Study Area, Humboldt County, Nevada
The Federal Land Policy and Management Act (Public Law 94-579, October 21, 1976) requires the U.S. Geological Survey and the U.S. Bureau of Mines to conduct mineral surveys on certain areas to determine their mineral values, if any, that may be present. Results must be made available to the public and be submitted to the President and the Congress. This report presents the results of a mineral sur
Geologic map of the Spring Creek Basin Quadrangle, Owyhee County, Idaho
No abstract available.
Geologic map of the Spruce Mountain 4 Quadrangle, Elko County, Nevada
No abstract available.
Geologic map of the Wall Lake Quadrangle, Catron County, New Mexico
No abstract available.
Geologic map of the western equatorial region of Mars
The regional topographic swell centered in the Tharsis Montes and Syria Planum extends over one-third of the map area (U.S. Geological Survey, 1976). Within this high region are the four largest and youngest volcanoes on Mars: Olympus Mons, Arsia Mons, Pavonis Mons, and Ascraeus Mons. The latter three collectively form the large northeast-trending, volcanic mountain chain of the Tharsis Montes. Th
Geophysical maps of the Dos Cabezas Mountains Wilderness Study Area, Cochise County, Arizona
The Dos Cabezas Mountains Wilderness Study Area, Arizona, lies along part of the crest and northeast flank of the Dos Cabezas Mountains, Cochise County, near the southeast corner of Arizona (fig. 1). The U.S. Bureau of Land Management requested mineral surveys of about 11,921 acres of the approximately 15,000 acre wilderness study area. In this report "wilderness study area" refers to the 11,921 a
Geophysical maps of the Mount Henry Roadless Area, Lincoln County, Montana
No abstract available.
Geophysical maps of the Winchester Roadless Area, Cochise County, Arizona
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 the Congress. This report presents the results of a geophysical survey of the Winchester R