Cutter roof failure
Subtitle: six case studies in the Northern Appalachian Coal Basin
By: by Eric R. Bauer.
Series: Information circular ;; 9266; Information circular (United States. Bureau of Mines) ;; 9266.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1990
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 18
Subjects: Mine roof control.; Coal mines and mining -- Appalachian Region.
Notes: Includes bibliographical references (p. 18).