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184660 results.

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Page 7006, results 175126 - 175150

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Not all publications have extents, not all extents are completely accurate
Search for uranium in western United States
Vincent Ellis McKelvey
1953, Trace Elements Investigations 199
The search for uranium in the United States is one of the most intensive ever made for any metal during our history. The number of prospectors and miners involved is difficult to estimate but some measure of the size of the effort is indicated by the fact that about 500...
Reconnaissance for radioactive deposits in the Nixon Fork mining district, Medfra Quadrangle, central Alaska, 1949
Max G. White, John M. Stevens
1953, Trace Elements Investigations 75
Reconnaissance for radioactive deposits in the Nixon Fork mining district, Medfra quadrangle, central Alaska, in 1949 disclosed the occurrence of allanite in sampled containing as much as 0.05 percent equivalent uranium from the dump of the Whalen mine; the presence of radioactive parisite (a rare-earth fluocarbonate) in a highly altered...
Marine geology of the Near Islands Shelf, Alaska
Philip Challacombe Scruton
1953, Open-File Report 53-245
During the summer of 1950 on the insular shelf surrounding the Near Islands, Alaska, 193 oceanographic stations were occupied from aboard the U. S. Geological Survey vessel EIDER. Bottom character and temperature observations were made at these stations. The composition and size distribution characteristics of the bottom samples have been...
The "Clinton" sands in Canton, Dover, Massillon, and Navarre quadrangles, Ohio
James Franklin Pepper, Wallace De Witt Jr., Gail M. Everhart
1953, Bulletin 1003-A
The Canton, Dover, Massillon, and Navarre quadrangles cover about 880 square miles in eastern Ohio. Canton is the largest city in the mapped area. In these four quadrangles, the well drillers generally recognize three "Clinton" sands - in descending order, the "stray Clinton", the "red Clinton", and the "white Clinton"....
Clay deposits of the Tierra Colorado district, southern Orange County, California
Steven Norman Daviess, M. N. Bramlette
1953, Open-File Report 53-51
The clay of this district is being mined for fire brick by the Vitrofrax Corporation. Much of the clay contains 35 percent or more of alumina and between 1 and 2 percent of iron oxide. Production is largely from an underground mine as the best clay deposit known in the...