The stability of coal pillars in underground coal mining is pivotal to maintaining the integrity of mine workings and protecting overlying strata. Pillar stability analysis encompasses the assessment ...
Effective gas drainage and methane management are central to safe and sustainable coal mining. Methane accumulation in underground workings presents a dual challenge: ensuring miner safety by ...
Mammoth will be an underground bord-and-pillar operation, which will access an estimated 41-million run-of-mine tonnes of metallurgical coal reserves through the existing opencut pit highwall in S-Pit ...
A hidden fire that has been burning underground near Meeker since the 1930s is now hot enough that state crews are racing to stop it from sparking a wildfire above ground.