By distilling bituminous coal in retorts to obtain gas for illumination, or by burning it in kilns or pits, the residue left behind is called coke, which is simply coal charcoal, and is nearly ...

I brief statement of the geo-Iggieal ^^Mtten til whlib coal, oil, bitumen and kindred hyd^^rboIl/l arc fond. ht. Coal and bitumen are of vegetable origin ; but bitumen is not confined to the ...

Although coal jobs are down, the demand is up for both anthracite coal, at 18 percent, and bituminous coal, at 21 percent, according to Duane Feagley, the executive director of the Pennsylvania ...

RALEIGH COUNTY, W.Va. (WVNS) — A fatality was reported at a coal mine in Raleigh County. According to the Mine Safety and Health Administration’s website, a mine fatality occurred at the Black Eagle ...