Showing 41 - 44 results of 44 for search 'Hopkins, G.R. (George Randolph)', query time: 0.06s Refine Results
  1. 41
    Minerals Yearbook, 1937. Compiled under the supervision of H.H. Hughes, Economics and Statistics Branch.

    Minerals Yearbook, 1937. Compiled under the supervision of H.H. Hughes, Economics and Statistics Branch.

    Published 1937
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  2. 42
    Minerals Yearbook, 1935. Compiled under the supervision of O.E. Kiessling, chief economist, Mineral Resources and Economics Division.

    Minerals Yearbook, 1935. Compiled under the supervision of O.E. Kiessling, chief economist, Mineral Resources and Economics Division.

    Published 1936
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  3. 43
    Minerals Yearbook, 1934, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics.

    Minerals Yearbook, 1934, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics.

    Published 1935
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  4. 44
    Minerals Yearbook, 1932-33, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics.

    Minerals Yearbook, 1932-33, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics.

    Published 1933
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