Water infusion of coal pillars before mining, Kenilworth mine, Independent Coal & Coke Co., Kenilworth Utah / by E.O. Jackson and W.M. Merritts.
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Format: | Government Document Book |
Language: | English |
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[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
[1951]
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Series: | Report of investigations (United States. Bureau of Mines) ;
4836. |
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