Kowon Tangwang Line
The Kowŏn T'an'gwang Line, or Kowŏn Colliery Line, is an electrified secondary line of the Korean State Railway in Sudong District, South Hamgyŏng Province, North Korea, running from Tunjŏn on the P'yŏngra Line to Changdong.
The Kowŏn T'an'gwang Line, or Kowŏn Colliery Line, is an electrified secondary line of the Korean State Railway in Sudong District, South Hamgyŏng Province, North Korea, running from Tunjŏn on the P'yŏngra Line to Changdong.