As a matter of fact, it is pitch dark in here. The lamps from the miner's caps make just enough light to cast queer-lloking shadows in all the corners. Anthracite is the coal we call hard coal. The soft coal is called bituminous coal. The anthracite district of the United States is a small area, and Scranton is in the very heart of it.
Soft coal is found in many states.
Pennsylvania leads in the production of both kinds. In the United States, but little anthracite is found outside of Pennsylvania. West Virginia, Illinois, Ohio, Kentucky, Indiana, and Alabama are out most important producers of soft coal.