The effect of mining in damaging the enviroment is becoming greater

and is threatening the regional sustainable development. Soil and water loss in the mining area of Liaoning Province is investigated and analysed. Results indicate that: there are many mining operations and they are broadly districuted;minig has take place for a long time; there are many abandoned mines;soil and water loss is intense and average loss is high; a few areas have been restored;and

overall

the environmental damage is serious.Based on mine characteristics and the situation of Liaoning Province

a series of countermeasures to environmental damage are put forward

including reform mining systems

increase capital investment; stage the improvement of mines starting with the easily modified operations first;increase efficiency; enhance scientific and technical knowledge; apply new technology;and implement existing policies.