Author:Oberholzer, JW; Esterhuize, GS; Van Vuuren, PJ; Madden, BJ; Van der Merwer, JNDate:Jul 1997This report summarizes the findings of the work conducted to determine the need to research the time dependent decay of coal mine bord and pillar workings. It is intended for use by the relevant SIMRAC committee as background information to ...Read more