Design practices for multiple-seam longwall mines

Bibliographic Details
Main Author: Chekan, G. J (Gregory J.)
Corporate Author: United States Bureau of Mines
Other Authors: Listak, Jeffrey M
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1993
Series:Information circular (United States. Bureau of Mines) 9360
Subjects:
Description
Item Description:Distributed to depository libraries in microfiche
Shipping list no.: 94-0272-M
Physical Description:ii, 35 p. : ill. ; 28 cm
Bibliography:Includes bibliographical references (p. 34-35)