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1. Computer-assisted mine design procedures for longwall mining / by N.P. Kripakov ... [et al.].

by Kripakov, Nicholas P.

Material type: book Book; Format: print Publisher: Pgh. [i.e. Pittsburgh] Pa. : U.S. Department of the Interior, Bureau of Mines, 1988Availability: No items available

2. Procedures for determining support of excavations in highly yielding ground / by J.D. Dixon, M.A. Mahtab, T.W. Smelser

by Dixon, J. D. (J. Donald) | Mahtab, M. A | Smelser, T. W.

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