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Электронныя кнігі
Minerals Yearbook: Area Reports: International Review 2012 Asia and the Pacific
19,50 $
9,99 $
Minerals Yearbook: Area Reports: International Review 2011, Europe and Central Eurasia
28,50 $
15,39 $
Minerals Yearbook: Area Reports: International Review 2012 Africa and the Middle East
66,00 $
52,80 $
Minerals Yearbook - V. 3, Area Reports: International Review: 2011, Africa and the Middle East
15,25 $
9,99 $
Coal -- Bituminous and Lignite in 1972: Preliminary Release of Information Pending Publication of the Bureau of Mines Minerals Yearbook
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United States Department of the Interior Bureau of Mines Coal Mine Safety Inspection Manual for Underground Mines
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Mandatory Safety Standards, Underground Coal Mines
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Materials Survey, Iron Ore; May 1956
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Materials Survey, Cobalt, 1950
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1950 Materials Survey, Antimony, March 1951
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Preliminary Classified Index of Technical Oil Mission Reels 1-259 and 273-279
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Single-shot Blasting Units: Requirements for Permissibility Tests Made, and Fees Charged, Approved July 16, 1940
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Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines; Prescribed Conditions and Requirements for Permissibility when Used in Coal Mines and Schedule of Fees for the Tests, Approved September 18, 1939
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Permissible Telephones and Signaling Devices, Requirements for Permissibility, Tests Made, and Fees Charged, Approved October 25, 1938
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Minor Metals and Nonmetallic Minerals: Address by John Wellington Finch, October 26, 1938
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Procedure for Testing Supplied-air Respirators for Permissibility, Approved August 9, 1937
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Miscellaneous Portable and Semiportable Electric Mine Lamps: Procedure in Testing, Fees Charged, and Requirements for Approval [approved] June 1, 1932
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Procedure for Testing Gas Masks for Permissibility
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Consumption of Explosives in ...
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Procedure for Testing Explosives Used in Metal Mines, Tunnel, Quarries, and Other Engineering Operations: With Test Requirements and Schedule of Fees [approved] April 3, 1926
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