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Page 4821, results 120501 - 120525

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Seismic reflection study of Flathead Lake, Montana
Richard J. Wold
1982, Miscellaneous Field Studies Map 1433
A seismic reflection survey of Flathead Lake, Montana, was carried out in 1970 to study the geologic structure underlying the lake. Approximately 200 km of track lines were surveyed resulting in about 140 km of useable data (Fig. 1). A one cu. in. air gun was used as the energy...
Mineral resource potential map of the Bell Mountain Wilderness Study Area, Iron County, Missouri
Walden P. Pratt, Ralph L. Erickson, Clarence E. Ellis
1982, Miscellaneous Field Studies Map 1178-B
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 U.S. Bureau of Mines have been conducting mineral surveys of wilderness and primitive areas. Areas officially designated as "wilderness," "wild," or...
Mineral resource potential map of the Rock Pile Mountain Wilderness Study area, Madison County, Missouri
Walden P. Pratt, Ralph L. Erickson, Clarence Ellis
1982, Miscellaneous Field Studies Map 1339-B
Although the Rock Pile Mountain Wilderness Study Area is within the general boundary of the Southeast Missouri mining district, it has no record of mineral production and there is no mining or prospecting activity at present. Exploratory drill holes on private land along the west side of the area encountered...
Maps showing locations and descriptions of radiocarbon-dated samples from central and northern California
Carol A. Price
1982, Miscellaneous Field Studies Map 1321
This compilation includes radiocarbon dates and other pertinent information about samples from northern and central California, principally north of latitude 36°, drawn largely from Radiocarbon, Science, unpublished data of U.S. Geological Survey geologists, and other published and unpublished data brought to the author's attention as of January 1981. It includes...
Mineral resources potential map of the Pusch Ridge Wilderness Area, Pima County, Arizona
M. E. Hinkle, G. S. Ryan
1982, Miscellaneous Field Studies Map 1356-B
A mineral resource assessment of the Pusch Ridge Wilderness Area was conducted by the U.S. Geological Survey and U.S. Bureau of Mines. The area was evaluated for its mineral potential by analysis of geochemical samples by the U.S. Geological Survey and by examination of mines, prospects, and mineralized areas by...