. . . "Pongch'\u014Fn T'an'gwang (Pongch'\u014Fn Colliery) (\uBD09\uCC9C\uD0C4\uAD11)" . . "Pongch'\u014Fn Colliery" . . "Kaech'\u014Fn-si," . "Pongchon Tangwang station" . . . "Pongchon Tangwang station" . . . "1933" . "South P'y\u014Fngan Province" . "Pongch'\u014Fn-dong," . "1933-10-15" . .