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Milling methods and costs at the lead concentrator of the Hecla Mining Co., Gem, Idaho / by W.L. Zeigler.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Zeigler, William Le Verne, 1891-
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of Commerce, U.S. Bureau of Mines, 1932.
Series:	Information circular (United States. Bureau of Mines) ; 6600.
Subjects:	Ore-dressing. Lead ores > Idaho > Gem. Hecla Mining Company. Lead ores. Idaho > Gem.

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Call Number:	I 28.27:6576-6600
I 28.27:6576-6600	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Public services for the identification of mineral specimens / by Paul M. Tyler. Sodium and potassium metals / by Paul M. Tyler. Geophysical abstracts : no. 32 / by Frederick W. Lee. Good rock-dusting and ventilation practice in two Alabama coal mines / by F.E. Cash. Notes pertaining to safety inspections of permissible electric mine equipment / by E.... Mining practice at the Edwards mine of the St. Joseph Lead Co., St. Lawrence County,... Methods and costs of mining and preparing sand and gravel at the Clowdy Plant of the... Methods and costs of mining and preparing sand and gravel at the plant of the Ward Sa... Sinking practice and costs at the Pim Shaft, St. Louis Smelting & Refining Works, Nat... Geophysical abstracts : no. 33 / by Frederick W. Lee. Rock dust does stop or limit mine explosions / by D. Harrington. Sand and gravel dredging methods and costs of J.K. Davison & Bro., Pittsburgh, Pa. /... The cost of developing to the operating stage and equipping a small or medium-sized m... Methods and costs of mining and preparing gravel and sand for market at the plant of... Sampling and exploration by means of hammer drills / by J.B. Knaebel. A mechanically driven level rock tunnel / by W.D. Bryson. Index to Geophysical Abstracts : no. 21 to no. 32 / compiled by Palmer Larsen. Milling methods and costs at the lead concentrator of the Hecla Mining Co., Gem, Idah... Milling methods and costs at the Page Concentrator of the Federal Mining and Smelting... Guarding trolley wires in mines / by E.J. Gleim. Data in reference to installation of cables in shafts and boreholes / by L.C. Ilsley... Quarrying methods and costs at the Sloan quarry of the United States Lime Products Co... Economic size of metal-mine airways / by G.E. McElroy. A tabular review of state laws relating to taxation and inspection of gasoline and ot...