942 resultados para Emerald mines and mining


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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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No. 33 is the final no. of this series.

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"RMO-563."

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Shipping list no.: 87-704-P.

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