GIS Data
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Types of damage that could result from a great earthquake in the New Madrid, Missouri, seismic zone
In the winter of 1811–1812 a series of three great earthquakes occurred in the New Madrid seismic zone. In addition to the three principal shocks, at least 15 other earthquakes, Io ≥ VIII, occurred within a year of the first large earthquake on December 16, 1811. The three main shocks were felt over the entire eastern United States. They were strong enough to cause minor damage as far away as Indi
Viking Lander 2 rectified photomosaic (evening scene, camera 1)
No abstract available.
Viking Lander 2 rectified photomosaic (evening scene, camera 2)
No abstract available.
Viking Lander 2 rectified photomosaic (morning scene, camera 1)
No abstract available.
Viking Lander 2 rectified photomosaic (morning scene, camera 2)
No abstract available.
Aeromagnetic and gravity maps of the east part of the Raymond Peak Roadless Area, Alpine County, California
The Raymond Peak Roadless Area, 60 mi2 (153 km2) in area, is located at the crest of the Sierra Nevada approximately 13 min (21 km) south-southeast of Lake Tahoe. Markleeville, the seat of Alpine County, lies about 1.5 mi (2km) outside the northeast boundary of the area. The rugged topography of this area is dominated by Raymond and Reynolds Peaks at the south end, and Hawkins Peak at the north
Aeromagnetic and gravity maps of the Freel and Dardanelles Roadless Areas, Alpine and El Dorado counties, California
The Freel and Dardanelles Roadless Areas comprise 51 mi2 (132 km2) in the central Sierra Nevada south of Lake Tahoe. The Sierra Nevada crest passes through the eastern part of the area. Prominent mountains include Stevens Peak (elev 10,061 ft), Waterhouse Peak (elev 9,497 ft), and Freel Peak (elev 10,881 ft).
Aeromagnetic map and interpretation of geophysical data from the Condrey Mountain Roadless Area, Siskiyou County, California
The Condrey Mountain Roadless Area lies within the Klamath Mountains geologic province, a province composed of four eastward-dipping imbricate thrust slices or belts consisting predominantly of marine arc-related volcanic and sedimentary rocks, but also including significant amounts of ultramafic and other ophiolitic rocks (Irwin, 1981). From west to east the four Klamath Mountains thrust slices a
Aeromagnetic 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 an aeromagnetic survey of the Arnold Mes
Aeromagnetic map of the Powderhorn wilderness study area and Cannibal Plateau Roadless Area, Gunnison and Hinsdale counties, Colorado
The Powderhorn Wilderness Study Area (51,000 acres or 20,640 hectares) and the contiguous Cannibal Plateau Roadless Area (29,500 acres or 11,959 hectares) are on the Gunnison County-Hinsdale County boundary, approximately 50mi (80 km) southwest of Gunnison and a few miles east of Lake City, Colo. Part of the area has been known as the Powderhorn Primitive Area. The mineral resource potential of th
Aeromagnetic map of the West Clear Creek roadless area, Coconino and Yavapai Counties, Arizona
The West Clear Creek Roadless Area lies within the Coconino National Forest in central Arizona (fig. 1) and includes parts of Yavapai and Coconino Counties. Camp Verde, the nearest population center, is approximately 7 miles (11 km) west of the area. West Clear Creek canyon begins on the east at the confluence of the incised gorges of Willow Valley and of Clover Creek and is joined toward the west