- Additional Authors
- United States. Bureau of Mines.
- Description
- 14 p. : ill.; 28 cm.
- Series Statement
- Information circular ; 9320
- Uniform Title
- Information circular (United States. Bureau of Mines) ; 9320.
- Subject
- Note
- Distributed to depository libraries in microfiche.
- Shipping list no.: 92-2509-M.
- Bibliography (note)
- Includes bibliographical references (p. 14).
- Reproduction (note)
- Call Number
- READEX Microfiche I 28.27:9320
- OCLC
- marcive27393474
- Author
Barczak, Thomas M.
- Title
Examination of design and operation practices for longwall shields [microform] / by Thomas M. Barczak.
- Imprint
Washington, D.C. (810 7th St., N.W., MS #9800, Washington 20241-0001) : U.S. Dept. of the Interior, Bureau of Mines, [1992]
- Series
Information circular ; 9320
Information circular (United States. Bureau of Mines) ; 9320.
- Bibliography
Includes bibliographical references (p. 14).
- Reproduction
Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1992] 1 microfiche : negative.
- Added Author
United States. Bureau of Mines.
- Gpo Item No.
0637-A (MF)
- Sudoc No.
I 28.27:9320
- Research Call Number
READEX Microfiche I 28.27:9320