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The Pakch’ŏn Uranium Mine is reportedly one of North Korea‘s primary uranium sources, but its current status is unknown.
- Uranium is a metal with the atomic number 92. See entries for enriched uranium, low enriched uranium, and highly enriched uranium.
 Chang Chun Ik, Pukhan Haek-Missile Chŏnjaeng (Seoul: Sŏmundang, 1999), pp. 132-133.
 ROK Ministry of Unification, Pukhan Kaeyo 2000 (Seoul: Ministry of Unification, 1999), pp. 413-414.
 Joseph S. Bermudez, Jr., “North Korea’s Nuclear Infrastructure,” Jane’s Intelligence Review, 1 February 1994, pp. 74-79.