775 resultados para Indiana. Bureau of Mines and Mining


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"April 21, 1947."

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Mode of access: Internet.

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"Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports."

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Includes bibliographical references.

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Includes bibliographical references and index.

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Library has, v. 1-2 & atlas.

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Based on the 1947 Directory of Industrial Eestablishments prepared by the Virginia State Chamber of Commerce, and intended as an aid in the use of the annual directory. Transparent overlay map, in pocket.

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Mode of access: Internet.

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Includes bibliographical references (p. 39-40).

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Project no.: 80.214.

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Funded by the U.S. Dept. of Interior, Office of Surface Mining Reclamation and Enforcement.