The pond-storages of mine waters create a special danger for soil quality in the regions of coal mining. Their exploitation leads to the formation of sources of man-caused infiltration, which promotes the development ...

Underground coal development is accompanied by significant deformations of the earth's surface, changes in the hydrological mode of groundwater and surface water, as well as other negative ...

Abandoned coal dumps have various chemical and mineralogical compositions. Under the influence of internal and external physicochemical processes in combination with climatic and hydrogeological conditions, ...