945 resultados para 640200 Primary Mining and Extraction Processes
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"The historical portions of the work ... have been written by Mr. John Southward."--p. vii.
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Map wanting.
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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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Includes index.
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Mode of access: Internet.
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Mode of access: Internet.
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Section titles vary slightly.
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Mode of access: Internet.
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Includes bibliographical references and index
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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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Item 247.
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Name changed on May 11, 1920 from Canadian Mining Institute.
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Mode of access: Internet.