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Page 6711, results 167751 - 167775

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Astrogeologic studies, annual progress report, August 25, 1961 - August 24, 1962
U.S. Geological Survey
1963, Open-File Report 63-123
This report, which covers the period August 25, 1961 to August 24, 1962, is the third of a series describing the program of research conducted by the U.S. Geological Survey on behalf of the National Aeronautics and Space Administration.The major long-range objectives of the program are to determine and map...
Uranium in sediments
John Nicholas Rosholt
1963, Open-File Report 63-117
An oceanographic approach is used to study the distribution of abnormal occurrences of uranium in sediments. The occurrences predominate in marine phosphorites, black marine shales, and deposits in terrestrial-fluvial sandstones and ancient conglomerites. In early Paleozoic times, marine shales accounted for the majority of uranium deposition. By the beginning of...
Structure-contour map of the Olive Hill Clay Bed in northeastern Kentucky
John W. Hosterman
1963, Miscellaneous Field Studies Map 261
The gently dipping Olive Hill Clay Bed of Crider (1913) crops out in belt about 15 miles \vidc and 60 miles long from the Ohio River near Portsmouth, Ohio, south-southwesterly to Frenchburg, Ky. (see inset map).The purpose of the structure-contour map presented here is to aid exploration by showing the...
Geologic Setting of the Hamme Tungsten District, North Carolina and Virginia
John Mason Parker
1963, Bulletin 1122-G
The Hamme tungsten district is in the eastern part of the Piedmont province, mainly in Vance County, North Carolina, but it extends a few miles into Virginia. The district is underlain by a central lenticular pluton of albite granodiorite that trends north-northeastward and is flanked on both sides by metamorphic...
Ground water for public supply in St. Croix, Virgin Islands
Garth Edison Hendrickson
1963, Water Supply Paper 1663-D
The ground-water resources of St. Croix, V.I., if properly developed should be adequate to supply the present and near-future demand for water for public supply. Ground water is obtained from weathered volcanic and intrusive rocks (bedrocks), from limestone, and from alluvium. The water obtained from weathered bedrocks and from alluvium...