Showing 1 - 2 results of 2 for search 'Ray, Richard G. 1920-', query time: 0.16s Refine Results
  1. 1
    Geology and ore deposits of the Willow Creek mining district, Alaska /

    Geology and ore deposits of the Willow Creek mining district, Alaska / by Ray, Richard G. 1920-

    Published 1954
    CONNECT
    Government Document Electronic eBook

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  2. 2
    Photogeologic procedures in geologic interpretation and mapping /

    Photogeologic procedures in geologic interpretation and mapping / by Ray, Richard G. 1920-

    Published 1956
    CONNECT
    Government Document Electronic eBook

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