Longwall gate road roof instability and methods of control in the lower Kittanning Coalbed of Central Pennsylvania / by E.R. Bauer, J.M. Listak, and E.D. Krupa.

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Bibliographic Details
Online Access: Search for the full-text version of this title in HathiTrust
Main Author: Bauer, Eric R.
Corporate Author: United States. Bureau of Mines
Other Authors: Listak, Jeffrey M., Krupa, E. D. (Eugene D.)
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1992.
Series:Information circular (United States. Bureau of Mines) ; 9331.
Subjects:

MARC

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245 1 0 |a Longwall gate road roof instability and methods of control in the lower Kittanning Coalbed of Central Pennsylvania /  |c by E.R. Bauer, J.M. Listak, and E.D. Krupa. 
260 |a Washington, D.C. :  |b U.S. Dept. of the Interior, Bureau of Mines,  |c 1992. 
300 |a 20 pages :  |b illustrations, maps ;  |c 28 cm. 
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