Catalog Record: Roof bolting in the United States | HathiTrust Digital Library

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Roof bolting in the United States /
by Edward Thomas.

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Main Author: Thomas, Edward.
Language(s): English
Published: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1950.
Subjects: Coal mines and mining > Coal mines and mining / United States > Coal mines and mining / United States / Safety measures.
Mine roof bolting.
Note: Paper presented at Sixth International Conference of Directors of Mine Research, Paris, France, July 24-28, 1950.
Physical Description: 8 p. : ill. ; 27 cm.
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