Search Results - Swingle, Robert Johnston, 1886-

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  1. 1
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    Analyses of Pennsylvania bituminous coals : supplement to Technical Paper 590 / by Snyder, Ned H.

    Published 1942
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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  2. 2
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    Analyses of West Virginia coals.

    Published 1942
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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  3. 3
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    Analyses of Tennessee coals (including Georgia)

    Published 1945
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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  4. 4
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    Analyses of Pennsylvania anthracitic coals.

    Published 1944
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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  5. 5
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    Analyses of Illinois coals.

    Published 1942
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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  6. 6
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    Analyses of Virginia coals.

    Published 1944
    Other Authors: “…Swingle, Robert Johnston, 1886-…”
    Government Document Book

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