The Discussion of Mining Bauxite Under the Coal Seam in
There are two problems to be solved here. First, the bauxite ore body is only 55 m away from the 13 # coal seam, and the cracks in the roof rock may be connected to the goaf of 13 # coal seam, resulting in the accumulation of water in the goaf of 13 # coal seam pouring into the bauxite mining working face.