Gob upper ground fall to be used by coal-stone stowed,cover soil on the surface,can be for used building,or cultivate fishs in the gob upper ground fall formed low-lying land.

• 用矸石充填采空区造成的地面下沉塌陷区,然后用塌陷区内的耕土覆盖,建成复田或在回填地基上盖楼房,或综合治理将塌陷区水域养鱼、栽藕,取得较好的经济效益。