作者: Zhi Dang , Congqiang Liu , Martin J Haigh
DOI: 10.1016/S0269-7491(01)00285-8
关键词:
摘要: … The physical distance between the two sites is no greater than 0.5 km, and the coal was … , coal mine spoils are exposed at the soil surface. Because the weathering time for the coal mine …