A mine safety expert says many old mines in Western Pennsylvania have less than 50 feet of ground cover between the mine and ...
Men, mostly young but some old, entered the Sullivan City Mine in various life situations on that gray winter morning a ...
The weekend’s torrential rainfall and subsequent flooding resulted in the blowout of an old coal mine in the Holden area on ...
Xuzhou, known as a century-old coal city, once had Pan'an Lake as its largest coal mining subsidence area. Since 2011, the local government has implemented comprehensive remediation of the ...