Peng, Syd S.
Surface subsidence engineering / by Syd S. Peng - Littleton Societybfor mining, metallurgy, and exploration 1992 - 161 p.
includes appendix, bibliography & subject index
873351142
Mine subsidences
Mining engineering
subsidences
622.2 / PEN
Surface subsidence engineering / by Syd S. Peng - Littleton Societybfor mining, metallurgy, and exploration 1992 - 161 p.
includes appendix, bibliography & subject index
873351142
Mine subsidences
Mining engineering
subsidences
622.2 / PEN