Catalog Record: A study of falls of roof and coal in Northern Colorado | Hathi Trust Digital Library

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A study of falls of roof and coal in Northern Colorado / by H. Tomlinson.

Main Author: Tomlinson, Herbert.
Language(s): English
Published: [Washington, D.C.] : U.S. Dept. of Commerce, Bureau of Mines, 1933.
Subjects: Mine timbering.
Mine roof control.
Mine accidents > Colorado.
Physical Description: 20 p. : ill. ; 27 cm.
Original Format: Book
Locate a Print Version: Find in a library
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