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Roof support in coal mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland County, Pa. / By J.W. Paul, H. Tomlinson, and S.J. Craighead.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Paul, J. W. (James Washington)
Corporate Author:	United States. Bureau of Mines
Other Authors:	Tomlinson, Herbert, Craighead, S. J.
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : United States Bureau of Mines, 1931.
Series:	Report of investigations (United States. Bureau of Mines) ; 3113.
Subjects:	Mine timbering. Coal mines and mining > Pennsylvania > Westmoreland County.

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Call Number:	I 28.23:3101-3125
I 28.23:3101-3125	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Consumption of explosives in February, 1931 / W.W. Adams and L.S. Gerry. The effect of certain operating variables on the efficiency of the coal-washing table... Consumption of explosives in April, 1931 / W.W. Adams and L.S. Gerry. A practical method of solving the emergency manganese problem / by C.H. Herty, Jr. Coal-mine fatalities in March, 1931 / [compiled by] William W. Adams. Re-treatment of Sayreton jig middlings on coal-washing tables / by A.C. Richardson an... The acidity of Black Lick, Two Lick and Yellow Creeks, Pennsylvania during low water... Coal-mine fatalities in April, 1931 / by W.W. Adams and L. Chenoweth. The acidity of several Pennsylvania streams during low water / by R.D. Leitch. Some experimental data on the influence of dry and wet cleaning on coke properties an... A study of the properties of Texas-New Mexico polyhalite pertaining to the extraction... Explosive shattering of minerals as a substitute for crushing preparatory to ore dres... Gases in manholes : a survey of a utility in Boston, Mass. / by G.W. Jones and G.St.J... Consumption of explosives in March, 1931 / by W.W. Adams and L.W. Gerry. The overheating of rubber-sheathed trailing cables / L.C. Ilsley and A.B. Hooker. Official changes in the active list of permissible explosives and blasting devices fo... Flotation of low-grade phosphate ores. II. / by H.M. Lawrence and E. Roca. Flotation reagents, 1929 / by T.H. Miller and R.L. Kidd. Tests on brick kilns fired with a stoker / by W.E. Rice and R.R. Faller. Leaching oxidized copper ores : effect of strength of acid in leaching solvent / by J... Cooperatine research between the United States Bureau of Mines and the Safety in Mine... Determination of magnetite in copper slags / by Lathrop E. Roberts and R.L. Nugent. A study of falls of roof and coal in mines of Harrison County, West Virginia / by J.W... Roof support in coal mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland...