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Undercut block-caving method of mining in western copper mines / by E.D. Gardner.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Gardner, E. D. (Eugene Delos), 1885-
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Series:	Information circular (United States. Bureau of Mines) ; 6350.
Subjects:	Copper mines and mining.

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Call Number:	I 28.27:6326-6350
I 28.27:6326-6350	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Specific heat of water vapor at high temperatures derived from explosion experiments... Some notes on underground transportation / by C.F. Jackson. The cost of accidents to industry / by F.S. Crawford. Some hazards of transporting explosives in automobile trucks / by C.W. Owings and J.M... What the superintendent of a coal mine might do to prevent injury from falls of roof... Method and cost of mining hematite at the Eureka-Asteroid mine on the Gogebic range,... Sulphur : general information / by Robert H. Ridgway. Mining laws of Haiti / by A.D. Garman. Industrial safety training at a mining school / by E.H. Denny and G.M. Kintz. Mining laws of Trinidad / by John W. Frey. Cobalt / by P.M. Tyler. Notes on the determination of molybdenum / by H.A. Doerner. Milling methods and costs at the concentrator of the United Verde Copper Co., Clarkda... Mining laws of Uruguay / by A.D. Garman. Mining laws of Australia / by John W. Frey. Mining laws of El Salvador / by A.D. Garman. Milling practice at the Netta mine of Eagle Picher Lead Co., at Picher, Oklahoma / by... Tantalum (and Columbium) / by E.P. Youngman. Undercut block-caving method of mining in western copper mines / by E.D. Gardner. What the mine foreman can do to prevent injury from falls of roof in coal mines / by... Geophysical abstracts no. XV / by Frederick W. Lee. List of permissible mine equipment / by L.C. Ilsley. Mining laws of Canada / by John W. Frey. Safety at the mines of the Ford Collieries Co., Curtisville, Pa. / by C.W. Jeffers.