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subsurface mining shrinkage - noibuffaloorg An Investigation of Sinkhole Subsidence and its , Mining disturbs the , In contrast to a level ground surface where the stresses produced by overburden on subsurface .
Underground mining is carried out when the rocks, minerals, or precious stones are located at a distance far beneath the ground to be extracted with surface mining To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in
Loss Control TIPS Technical Information Paper Series Innovative Safety and Health Solutions SM Understanding Subsidence Subsidence of the land, which is defined as the loss of surface elevation due to the removal of subsurface