Matheson Library
Empowering Knowledge, Inspiring Discovery

Blind pneumatic stowing in voids in abandoned mines / by P.F. Sands, C.M.K. Boldt, and T.M. Ruff.

By: Contributor(s): Series: Information circular (United States. Bureau of Mines) ; 9268.Publication details: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1990.Description: 13 p. : illSubject(s):
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