Blind pneumatic stowing in voids in abandoned mines
By: by P.F. Sands, C.M.K. Boldt, and T.M. Ruff.
Contributors: Boldt, C. M. K.; Ruff, T. M.
Series: Information circular ;; 9268; Information circular (United States. Bureau of Mines) ;; 9268.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1990
Place of publication: Washington, D.C. (2401 E St., N.W., Washington 20241)
Language: eng
Number of pages: 13
Subjects: Mine filling.; Compressed air.; Abandoned coal mines.
Notes: Includes bibliographical references (p. 11-13).