- Additional Authors
- Description
- 20 p. : ill., maps; 28 cm.
- Series Statement
- Information circular ; 9331
- Uniform Title
- Information circular (United States. Bureau of Mines) ; 9331.
- Subject
- Note
- Distributed to depository libraries in microfiche.
- Shipping list no.: 93-0335-M.
- Bibliography (note)
- Includes bibliographical references.
- Reproduction (note)
- Call Number
- READEX Microfiche I 28.27:9331
- OCLC
- marcive28034170
- Author
Bauer, Eric R.
- Title
Longwall gate road roof instability and methods of control in the lower Kittanning Coalbed of Central Pennsylvania [microform] / by E.R. Bauer, J.M. Listak, and E.D. Krupa.
- Imprint
Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1992.
- Series
Information circular ; 9331
Information circular (United States. Bureau of Mines) ; 9331.
- Bibliography
Includes bibliographical references.
- Reproduction
Microfiche. [Washington, D.C. : Supt. of Docs., U.S. G.P.O., 1993] 1 microfiche : negative.
- Added Author
Listak, Jeffrey M.
Krupa, E. D. (Eugene D.)
- Gpo Item No.
0637-A (MF)
- Sudoc No.
I 28.27:9331
- Research Call Number
READEX Microfiche I 28.27:9331