Catalog Record: A study of falls of roof and coal in mines in the number 8 field of eastern Ohio | Hathi Trust Digital Library

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A study of falls of roof and coal in mines in the number 8 field of eastern Ohio / by J.W. Paul and L.N. Plein.

Main Author: Paul, J. W.
Other Authors: Plein, L. N.
Language(s): English
Published: [Washington, D.C.] : United States Bureau of Mines, 1931.
Subjects: Mine timbering.
Coal mines and mining.
Physical Description: 32 p. : ill. ; 27 cm.
Original Format: Book
Locate a Print Version: Find in a library
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