Arch canopy design procedure for rehabilitation of high-roof-fall areas

Author: Allwes, Richard A.
Additional Authors: Pappas, Deno M., Mangelsdorf, C. P.
Year: 1987
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:9075
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 9075
Subject: Mine roof control
Link: https://hdl.handle.net/2027/mdp.39015078469353

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