Slovenia is estimated to have around 1,244 million tonnes of lignite and brown coal deposits ... according to its website, entails extracting coal more than 500 meters below ground.

The coal mines of the Tennessee Coal, Iron, and Railroad Company were some of the largest employers of convict laborers. Coal mines were dangerous for all workers. Collapsing mines, suffocation ...

Corsa released an update on its internal lab analysis that suggests the presence of PGMs in its coal refuse disposal material. According to a Corsa corporate report, a South African mineral research ...

A National Energy Technology Laboratory collaboration with UW’s School of Energy Resources to develop technologies and methods for extracting rare earth elements from coal fly ash has started testing ...