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電子書籍
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
無料
United States Department of the Interior Bureau of Mines Coal Mine Safety Inspection Manual for Underground Mines
無料
Mandatory Safety Standards, Underground Coal Mines
無料
Materials Survey, Iron Ore; May 1956
無料
Materials Survey, Cobalt, 1950
無料
1950 Materials Survey, Antimony, March 1951
無料
Preliminary Classified Index of Technical Oil Mission Reels 1-259 and 273-279
無料
Single-shot Blasting Units: Requirements for Permissibility Tests Made, and Fees Charged, Approved July 16, 1940
無料
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
無料
Permissible Telephones and Signaling Devices, Requirements for Permissibility, Tests Made, and Fees Charged, Approved October 25, 1938
無料
Minor Metals and Nonmetallic Minerals: Address by John Wellington Finch, October 26, 1938
無料
Procedure for Testing Supplied-air Respirators for Permissibility, Approved August 9, 1937
無料
Miscellaneous Portable and Semiportable Electric Mine Lamps: Procedure in Testing, Fees Charged, and Requirements for Approval [approved] June 1, 1932
無料
Procedure for Testing Gas Masks for Permissibility
無料
Consumption of Explosives in ...
無料
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
無料