Search results for: V.E. McKelvey Forum on Mineral and Energy Resources Tucson, Ariz.

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    USGS research on mineral resources--1994.

    Published: U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994
    Physical Description: 2 volumes : illustrations, maps ; 28 cm.
    Government Document Conference Proceeding Book