The U.S. Department of Interior Office of Surface Mining Reclamation and Enforcement have announced that $140.7 million in ...

American Consolidated Natural Resources, or ACNR, claims to be the biggest underground coal mining company in the U.S. The company changed its name to ACNR after undergoing bankruptcy in 2020.

He was 300 feet underground at the Upper Big Branch mine in West Virginia in 2010 when an explosion caused by excess methane gas and flammable coal dust killed 29 of Stewart’s co-workers.

Editor’s note: This is the fifth in a series of stories reflecting on 20 years of gas drilling in Southwestern Pennsylvania. Coal is surviving, but it has an environmental black eye. This bountiful ...

Decades after underground coal mining all but ended in Eastern Pennsylvania, residents of certain areas continue today to face a hidden danger: mine subsidence. Gaping holes sometimes open without ...

Coal India unveils 5-year plan to quadruple underground mining. 100 MT output from such mines seen by FY28. ... About 37% of coal in USA and 50% in South Africa is produced from underground mines.

Historically, the type of mining method has been determined by what the orebody could support economically. If an open-cast pit mine could access an orebody, this was the preferred option as mining ...

Underground tours exploring coal mining in West Yorkshire have resumed, after being halted for more than three months to allow new equipment to be installed.