Detection of roof instability by monitoring the rate of movement
By: by Hamid N. Maleki and James R. McVey.
Contributors: McVey, James R.
Series: Report of investigations ;; 9170; Report of investigations (United States. Bureau of Mines) ;; 9170.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1988
Place of publication: [Avondale, Md.]
Language: eng
Number of pages: 12
Subjects: Mine roof control.
Notes: Bibliography: p. 12.