Showing 1 - 16 results of 16 for search 'Hughes, H. Herbert (Harry Herbert)', query time: 0.08s Refine Results
  1. 1
    Iceland spar and optical fluorite /

    Iceland spar and optical fluorite / by Hughes, H. Herbert (Harry Herbert), 1905-

    Published 1931
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  2. 2
    Iceland spar and optical fluorite /

    Iceland spar and optical fluorite / by Hughes, H. Herbert (Harry Herbert), 1905-

    Published 1941
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  3. 3
    Soapstone /

    Soapstone / by Hughes, H. Herbert (Harry Herbert), 1905-

    Published 1932
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  4. 4
    Minerals Yearbook 1939. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Minerals Yearbook 1939. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Published 1939
    Other Authors: “…Hughes, H. Herbert (Harry Herbert)…”
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  5. 5
    Minerals Yearbook, 1940. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Minerals Yearbook, 1940. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Published 1940
    Other Authors: “…Hughes, H. Herbert (Harry Herbert)…”
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  6. 6
    Iceland spar and optical fluorite

    Iceland spar and optical fluorite

    Published 1931
    Other Authors: “…Hughes, H. Herbert (Harry Herbert), 1905-…”
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  7. 7
    Soapstone

    Soapstone

    Published 1932
    Other Authors: “…Hughes, H. Herbert (Harry Herbert), 1905-…”
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  8. 8
    Iceland spar and optical fluorite.

    Iceland spar and optical fluorite.

    Published 1931
    Other Authors: “…Hughes, H. Herbert (Harry Herbert), 1905-…”
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  9. 9
    Soapstone.

    Soapstone.

    Published 1932
    Other Authors: “…Hughes, H. Herbert (Harry Herbert), 1905-…”
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  10. 10
    Mineral Resources of the United States, 1931. O.E. Kiessling, chief economist, Division of Mineral Statistics. Part II. -- Nonmetals.

    Mineral Resources of the United States, 1931. O.E. Kiessling, chief economist, Division of Mineral Statistics. Part II. -- Nonmetals.

    Published 1933
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  11. 11
    Mineral Resources of the United States, 1930, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics. Part II. -- Nonmetals.

    Mineral Resources of the United States, 1930, [by] O.E. Kiessling, chief economist, Division of Mineral Statistics. Part II. -- Nonmetals.

    Published 1932
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  12. 12
    Minerals yearbook, 1938. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Minerals yearbook, 1938. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.

    Published 1937
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  13. 13
    Minerals Yearbook, 1936. Compiled under the supervision of O.E. Kiessling and H.H. Hughes, Mineral Resources and Economics Division.

    Minerals Yearbook, 1936. Compiled under the supervision of O.E. Kiessling and H.H. Hughes, Mineral Resources and Economics Division.

    Published 1937
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  14. 14
    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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  15. 15
    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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  16. 16
    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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