Reveals the next group of coal mining on the impact of characteristics on a group of coal mining, upstream mining of coal resources has a certain reference value to provide a reference to the coal seam conditions similar to the mining area.

The Group has revealed the coal mining group on coal mining, the impact of the coal resources of the upstream mining has a reference value of coal, and that is the similar conditions of mine with a certain amount of sense experience.

Has promulgated under group coal bed mining to on group coal mining influence characteristic, has certain reference value to coal resources upward mining, saves the condition to the coal bed tax the similar mining area to provide certain model significance.

Revealed on a coal seam group mining on coal mining under influence of characteristics, on upward mining of coal resources of some reference value, similar to conditions of coal seam occurrence provides a certain degree of significance in the mining area.

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