923 resultados para Silver mines and mining


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Also verso t.p.: 1894.

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Mode of access: Internet.

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Mode of access: Internet.

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Not issued consecutively.

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"Period of performance: September, l968- December, 1973."

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Photostat copy.

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Mode of access: Internet.

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Willem Kalf; 2 ft. 5 1/16 in.x 2 ft. 3 3/64 in.; oil on canvas

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Under contract between the University of Utah and the U.S. Atomic Energy Commission, the writer has carried on a field and laboratory investigation of the uranium deposits in the Salt Wash sandstone of the Colorado Plateau.

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"April 1953, [site issuance date]."

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Fiscal year coverage, 1971-1975; calendar year coverage, 1976-1980.

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Mode of access: Internet.