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Some studies on emergency mine communications / by E.J. Coggeshall, E.W. Felegy, and L.H. Harrison.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Coggeshall, E. J. (Earl Jeffries), 1902-
Corporate Author:	United States. Bureau of Mines
Other Authors:	Felegy, E. W., Harrison, L. H. (Lawrence H.)
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1948.
Series:	Report of investigations (United States. Bureau of Mines) ; 4135.
Subjects:	Radio in mining. Mine communication systems. Mine safety > Equipment and supplies.

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Call Number:	I 28.23:4126-4150
I 28.23:4126-4150	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Concentration of Utah fluorite ores / by H.D. Snedden, J.V. Batty, W.J. Long, and K.C... Vibrator-type multiple-shot blasting unit / by F.C. Gibson and F.W. Brown. Gasification of lignite and subbituminous coal : progress report for 1945-46 / by V.... Concentration of oxide manganese ore from the Ophir Hill mine, Ophir, Tooele County,... Concentration of carbonate and oxide manganese ores from the vicinity of Tracy, Centr... Concentration of oxide and carbonate manganese ores from the Philipsburg District, Gr... Mount Andrew iron deposit, Kasaan Peninsula, Prince of Wales Island, southeastern Ala... Toxicity and flame resistance of thermosetting plastics / by Lawrence B. Berger [and... Investigation of the Dillsburg magnetite deposits, York County, Pa. / by G.L. Neumann... Recovey of alumina from Wyoming anorthosite by the lime-soda-sinter process / by R.A.... Investigation of coal deposits for local use in the arctic regions of Alaska and prop... Concentration of oxide manganese ores from the Havasu Lake District, California and A... Star Lake magnetite deposits, St. Lawrence County, N.Y. (November 1945 to November 19... Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and... Akoz Mine, Mariposa County, Calif. / by Frank J. Wiebelt. Concentration of manganese ore from southeastern Juab County, Utah / by B.K. Shibler... National motor-gasloine survey : Winter 1946-47 / by O.C. Blade. Concentration of manganese ores from Grand and Emery Counties, Utah / by G.M. Potter,... Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino Coun... Concentration of oxide manganese ores from the Artillery Peak deposit, Mohave County,... Concentration of oxide manganese ore from Sheep Mountain property, Durkee district, O... Investigation of magnetite deposits at Star Lake, St. Lawrence County, N.Y. (to Novem... Concentration of Colorado fluorite ores / by J.V. Batty, R. Havens, and R.R. Wells. Some studies on emergency mine communications / by E.J. Coggeshall, E.W. Felegy, and...