- Additional Authors
- Description
- ii, 40 p. : ill.; 28 cm.
- Series Statement
- Report of investigations ; 9240
- Uniform Title
- Report of investigations (United States. Bureau of Mines) ; 9240.
- Subject
- Note
- Distributed to depository libraries in microfiche.
- Bibliography (note)
- Includes bibliographical references (p. 38).
- Call Number
- READEX Microfiche I 28.23:9240
- LCCN
- 88600453
- OCLC
- marcive18814305
- Author
Campoli, A. A. (Alan A.)
- Title
Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining / by Alan A. Campoli, David C. Oyler, and Frank E. Chase.
- Imprint
Washington, D.C. (2401 E St., N.W., Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1989.
- Series
Report of investigations ; 9240
Report of investigations (United States. Bureau of Mines) ; 9240.
- Bibliography
Includes bibliographical references (p. 38).
- Added Author
Oyler, David C.
Chase, Frank E.
- Gpo Item No.
637-A (MF)
- Sudoc No.
I 28.23:9240
- Research Call Number
READEX Microfiche I 28.23:9240