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Maps

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

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Geologic Maps

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Filter Total Items: 9592

Depth to the water table (1976-1977) in the Greater Denver area, Front Range urban corridor, Colorado Depth to the water table (1976-1977) in the Greater Denver area, Front Range urban corridor, Colorado

Knowledge of the depth to the water table is useful to State and local officials in making decisions on land use in the rapidly urbanizing greater Denver are. This report presents the results of a 2-year investigation to determine the depth to the water table, water-table fluctuations and trends, and to relate the results of the investigation to urban planning in the greater Denver area...

Environmental-stratigraphic cross sections of the Cretaceous Fox Hills Sandstone and Hell Creek Formation and Paleocene Fort Union Formation, Richland and Roosevelt Counties, Montana Environmental-stratigraphic cross sections of the Cretaceous Fox Hills Sandstone and Hell Creek Formation and Paleocene Fort Union Formation, Richland and Roosevelt Counties, Montana

This study was conducted to determine the stratigraphic, lithofacies, and deopsitional relationships of the Cretaceous Fox Hills Sandstone and Hell Creek Formation and The Paleocene Fort Union Formation. These relationships, shown in sections A-A', B-B', C-C', and D-D', we established form nearly continuous exposures in the Missouri River valley in Richland and Roosevelt Counties, Mont...

Geochemical map and rock and stream-sediment data from the Wild Rogue Wilderness, Coos and Curry counties, Oregon Geochemical map and rock and stream-sediment data from the Wild Rogue Wilderness, Coos and Curry counties, Oregon

The Wild Rogue Wilderness is located in Coos and Curry Counties, southwestern Oregon and covers part of the Bone Mountain, Marial, and Agness 15' quadrangles (fig. 1). It is an elongate area, 19 mi by 0.8 to 3 mi (31 km by 1.3 to 5 km) and includes approximately 35,818 acres extending from the town of Agness northeast to Mount Bolivar. The area is characterized by several diverse...

Geochemical map of the Arnold Mesa Roadless Area, Yavapai County, Arizona Geochemical map of the Arnold Mesa Roadless Area, Yavapai 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 geochemical survey of the...
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