Geologic factors in coal mine roof stability
Subtitle: a progress report
By: by Noel N. Moebs and Raymond M. Stateham.
Contributors: Stateham, Raymond M.
Series: Information circular ;; 8976; Information circular (United States. Bureau of Mines) ;; 8976.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1984
Place of publication: [Avondale, Md.]
Language: eng
Number of pages: 27
Subjects: Coal mines and mining -- Safety measures.; Mine roof control.; Coal -- Geology.
Notes: Bibliography: p. 25-27.