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Page 5731, results 143251 - 143275

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Publication Extents

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Gold occurrences near Jefferson, South Carolina
James P. Minard
1970, Open-File Report 70-374
Gold, possibly in economic amounts, is present in the Jefferson area, South Carolina. It occurs in Slate Belt rocks of Paleozoic age, in Coastal Plain sediments of Cretaceous age, and in alluvial deposits of Quaternary age. The area is near the inner edge of the Coastal Plain province and includes...
Mineral resources of parts of the Departments of Antioquia and Caldas, Zone II, Colombia
R.B. Hall, Tomas Feininger, L. Barrero, Rico H. Dario, Hector, A. Alvarez
1970, Open-File Report 70-148
The mineral resources of an area of 40,000 sq km, principally in the Department of Antioquia, but including small parts of the Departments of Caldas, C6rdoba, Risaralda, and Tolima, were investigated during the period 1964-68. The area is designated Zone II by the Colombian Inventario Minero Nacional(lMN). The geology of...
A review of water resources of the Umiat area, northern Alaska
John R. Williams
1970, Circular 636
Surface-water supplies from the Colville River, small tributary creeks, and lakes are abundant in summer but limited in winter by low or zero flow in streams and thick ice cover on lakes. Fresh ground water occurs in unfrozen zones in alluvium and in the upper part of bedrock beneath the...