Determining the in-place support of mine roof with rock bolts, White Pine Copper Mine, Michigan

Author: Merrill, Robert H.
Additional Authors: Morgan, Thomas A., Stehlik, C. J.
Year: 1961
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:5746
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 5746
Subjects: White Pine Copper Mine (Mich.)
Mine roof bolting
Link: https://hdl.handle.net/2027/mdp.39015078527473

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