Use of torque wrench to determine load in roof bolts.

Author: Barry, A. J.
Additional Authors: Panek, Louis Anthony,, McCormick, John A.
Year: 1956
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 5228
Subject: Mine roof bolting
Link: https://hdl.handle.net/2027/mdp.39015078471847

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