449 resultados para Coal mines and mining.


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Prepared in cooperation with the New Mexico Bureau of Mines and Mineral Resources, the New Mexico State Engineer, and the Bureau of Indian Affairs' San Juan Regional Uranium Study.

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1906/07 contains the 25th Annual report upon the condition of coal mines.

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Part IV. Paleontology, by W. Armstrong Price.

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Mode of access: Internet.

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At head of title, 4- U.S. Dept. of Commerce, Bureau of Mines.

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Contains the Annual report of the Geological Survey, Victoria Memorial Museum, Mines Branch, Explosives Division, Editorial Division, Accounting Division and Administrative Division.

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Includes bibliography.

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"Prepared jointly by the Bureau of Land Management and Bureau of Reclamation"--report documentation page.

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"Prepared jointly by the Bureau of Land Management and Bureau of Reclamation"--Report documentation page.

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"This bulletin contains all laws, rules and regulations of the Department of Conservation in relation to minerals from the year 1930 to 1934 inclusive. Laws, rules and regulations prior to 1930 are contained in the edition of 1930."

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Unbound leaves.

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Some numbers also in revised editions.