Ground control aspects of coal mine design :Proceedings: Bureau of Mines Technology Transfer Seminar, Lexington, Ky., March 6, 1973

Year: 1974
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8630
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 8630
Subjects: Mining engineering--Congresses
Coal mines and mining--United States--Congresses
Link: https://hdl.handle.net/2027/mdp.39015078516443

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