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Mica-mining methods, costs, and recoveries at no. 10 and no. 21 mines of the Spruce Pine Mica Co., Spruce Pine, N.C. / by H.M. Urban.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Urban, H. M.
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, 1932.
Series:	Information circular (United States. Bureau of Mines) ; 6616.
Subjects:	Mica > North Carolina. Mining engineering > North Carolina. Mica. Mining engineering. North Carolina.

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Call Number:	I 28.27:6601-6625
I 28.27:6601-6625	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Methods and costs of concentrating scheelite ore at the Silver Dike Mill, Mineral Cou... Factors governing the selection of the proper level interval in underground mines / b... Magnetic concentration methods and costs of Witherbee, Sherman & Co., Mineville, N.Y.... Quarrying and crushing methods and costs at the Santa Catalina Island quarry of Graha... Procedure of the purchasing and supply departments of the Miami Copper Co., Miami, Ar... Shaft-sinking methods, practices, and costs of the Consolidation Coal Co. at its no.... A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa. / by R.D. Cur... Accident experience and cost in Pennsylvania anthracite and bituminous mines : 1926-3... Milling methods and costs at the Pecos Concentrator of the American Metal Co., Tererr... Falls of roof and coal in Washington mines / by S.H. Ash. Method and cost of quarrying limestone at the Milltown quarry of the Louisville Cemen... Milling methods and costs at the concentrator of the Britannia Mining & Smelting Co.,... Bonuses to encourage safe work and for work safely done / by D. Harrington. Mica-mining methods, costs, and recoveries at no. 10 and no. 21 mines of the Spruce P... Small-scale placer-mining methods / by Chas. F. Jackson and John B. Knaebel. Mining, treatment methods and costs at the plant of the Colsolidated Rock Products Co... Methods and costs of mining and crushing gypsum at the mine of the Blue Diamond Corpo... Geophysical abstracts : no. 36 / by FrederickW. Lee. Gold mining and milling methods and costs at the Vallecito Western Drift mine, Angels... Mining methods and costs at the Mt. Hope mine of the Warren Foundry and Pipe Corporat... Method and cost of quarrying limestone at the plant of the Calaveras Cement Co., San... Geophysical abstracts : no. 35 / by Frederick W. Lee. Methods and costs of quarrying, crushing, and grinding limestone at the plant of Sout... Employee-timekeeping system and mechanical pay-roll methods at Britannia Mining & Sme...