Mine Subsidence Hazards in Colorado
2011-06-15 | CGS Admin
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal mining in Colorado.
2011-06-15 | CGS Admin
This video, produced by the CGS in 2011, examines the significant geo-hazards related to the long history of underground coal mining in Colorado.