History of anthracite coal mining in Pennsylvania History of anthracite coal mining in Pennsylvania There are two types of coal found in Pennsylvania: anthracite (the “hard coal” found in Northeastern Pennsylvania below the Allegheny Ridge southwest to Harrisburg; also called “stone coal”, “rock coal” in the 1800s) and bituminous (“soft coal”, found west of the Allegheny Front escarpment). Anthracite coal is a natural mineral with a high carbon and energy content that gives off light and heat (produced energy) when burned, making it useful as a fuel. It was possibly first used in Pennsylvania as a fuel in 1769, but its real history begins with a documented
Night of the Big Heat (film) which also creates enough heat to ignite the car's petrol tank. Meanwhile, another pub regular, losing his mind because of the heat, attempts to attack Angela whilst she's working, but when she brains him with an ashtray he flees and ends up burned to death as well. Jeff finally corners Hanson and demands answers from him. According to the scientist, Fara Island is the site of an invasion by extraterrestrials, whose extremely high temperature burns any living creature that gets too close to them. Jeff and Hanson resolve to stop the aliens with the help of local physician Dr. Vernon