The actual mining of anthracite is only the beginning of a long series of processes which produce the accurately sized pure coal which is so satisfactorily burned to-day in millions of homes and ...
Our mine tour, and other mine tours, it’s something you can’t go and see currently going on. There is still anthracite mining both underground and on the surface, but it’s vastly different ...
Mr. McConnell. the assumed inventor, claims that anthracite coal from the mines ot South Wales can be used in these engines, at a saving of one-half the cost of bituminous coke, and a complete ...