Matheson Library
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Mine roof simulator : definition and discussion of parameters /

Wade, Lewis V.

Mine roof simulator : definition and discussion of parameters / by Lewis V. Wade. - Washington, D.C. : U.S. Dept. of the Interior, [1975] - 18 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 7971 . - Report of investigations (U.S. Department of the Interior. 7971 .

92045002


Coal mines and mining--Simulation methods.