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1. Laboratory assessment of alternative longwall stabilization materials / by Deno M. Pappas.

by Pappas, Deno M.

Material type: book Book; Format: print Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Availability: No items available

2. Coal mine air tempering : effectiveness, design, and roof support / by Gary P. Sames

by Sames, Gary P.

Material type: book Book; Format: print Publisher: Washinton : U.S. Dept. of the Interior, Bureau of Mines, (1985)Availability: No items available