A short-term evaluation of compressible stoppings used in trona mines
By: by R.J. Timko.
Series: Report of investigations / Bureau of Mines ;; 9015; Report of investigations (United States. Bureau of Mines) ;; 9015.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1986
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 14
Subjects: Mine roof control.; Trona mines and mining.
Notes: Bibliography: p. 14.