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Drilling and blasting in open-cut copper mines.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Other Authors:	Gardner, E. D. (Eugene Delos), 1885-
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. G.P.O., 1927.
Series:	Mines Bur. Bull. No. 273.
Subjects:	Copper mines and mining.

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Call Number:	C22.3-273
C22.3-273	Available