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
Chinese given name in Mao Tse-tung was the fourteenth generation of such a cycle, but he chose to ignore his family's generational poem to name his own sons. A similar practice was observed regarding the stage names of Chinese opera performers: all the students entering a training academy in the same year would adopt the same first character in their new "given name". For example, as part of the class entering the National Drama School in 1933, Li Yuru adopted a name with the central character "jade" (). There are also other conventions. It is frequently the case that children are given names