Pull and creep tests on gypsum-bonded roof bolts

Author: Hansen, J. S.
Additional Authors: Gerdemann, S. J.
Year: 1985
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8937
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 8937
Subject: Gypsum-bonded mine roof bolts--Testing
Link: https://hdl.handle.net/2027/mdp.39015078477760

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