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Arch canopy design procedure for rehabilitation of high-roof-fall areas
Evaluation of structures for roof-fall areas
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Published Year
1980-1989 (1)
1990-1999 (1)
Subject
Mine roof control (2) *
Metal arches--Testing (1)
Author
Allwes, Richard A. (2) *
Mangelsdorf, C. P. (2)
Pappas, Deno M. (1)
