998 resultados para Mines à ciel ouvert
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Bibliography: p. 58-59.
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Mode of access: Internet.
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Disbound Original Held in Oak Street Library Facility.
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Work performed at the Battelle Memorial Institute, Columbus, Ohio.
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Mode of access: Internet.
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Includes bibliographical references.
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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 and index.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Not issued consecutively.
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Part of the illustrative matter is colored, part folded.
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"June 1956."