Evaluation of structures for roof-fall areas /
by Richard A. Allwes and C.P. Mangelsdorf.

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Main Author: Allwes, Richard A.
Related Names: Mangelsdorf, C. P.
United States. Bureau of Mines.
Language(s): English
Published: [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1992]
Subjects: Metal arches > Metal arches / Testing.
Mine roof control.
Physical Description: 31 p. : ill. ; 28 cm.
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Item Link	Original Source
Full view	Technical Report Archive & Image Library
Full view no.9414 1992	The Ohio State University

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