Author: United States. Delegation to the Pan American Congress of Mining Engineering and Geology
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Category : Geology
Languages : en
Pages : 52
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Author: United States. Bureau of Mines. Technical Library, Pittsburgh
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Category : Library catalogs
Languages : en
Pages : 778
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Author:
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Category :
Languages : en
Pages : 428
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Author: United States. Department of State. Office of International Conferences
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Category : Congresses and conventions
Languages : en
Pages : 400
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Author:
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ISBN:
Category : Congresses and conventions
Languages : en
Pages : 408
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Author: United States Department of State. Office of International Conferences
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Category : Congresses and conventions
Languages : en
Pages : 1562
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Author:
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ISBN:
Category : Congresses and conventions
Languages : en
Pages : 412
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Author: Pan American Institute of Mining Engineering and Geology. U.S. Section
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Category : Mining engineering
Languages : en
Pages : 120
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Author: Thomas Fraser
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Category : Coal
Languages : en
Pages : 24
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Category : Oil well logging
Languages : en
Pages : 640
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