Title: Puk-Chung kwangmul chawŏn kyoyŏk ŭi chŭngga e ttarŭn Pukhan kyŏngje ŭi tae Chungguk chongsok kanŭngsŏng e kwanhan nonŭi
Subjects: Mines and mineral resources, Mineral industries, History, Commerce
Places: Korea (North), China