Chosen Anthracite Company 1946, becoming part of the Korean State Railway. Chosen Anthracite Company The Chosen Anthracite Company, Ltd. (Japanese: 朝鮮無煙炭株式会社 "Chōsen Muentan Kabushiki Kaisha"; Korean: 조선무연탄주식회사 "Joseon Muyeontan Jusikhoesa") was a kabushiki kaisha in colonial Korea that operated collieries around Korea. It was founded in 1927 by the Mitsubishi "zaibatsu" of Japan by integrating the anthracite mining operations around Pyongyang, eventually becoming the largest coal-producing company in Korea - 74.9% of the coal distributed in Korea was produced by the Chosen Anthracite Company. In 1935, majority control of the Chosen Anthracite Company went to the Oriental Development Company (Japanese: "Tōyō Takushoku Kabushiki
History of anthracite coal mining in Pennsylvania are surrounded by sandstone ridges, which help to “protect” the anthracite (Hornberger et al., 20-2). There are four different anthracite coalfields in Pennsylvania, all located on the eastern side of the state. The Northern field is located predominantly in the Luzerne, Lackawanna, Susquehanna and Wayne Counties; the Western Middle field in Northumberland, Columbia, and Schuylkill Counties; Eastern Middle field mainly in Luzerne County but extending into Schuylkill, Carbon, and Columbia Counties; the Southern field in Carbon, Schuylkill, Lebanon, and Dauphin Counties (Latzko, 8). Anthracite differs from bituminous in usage in that it has better heat quality and fewer disadvantageous by-products,