Title: Posŏnggang, Hantʻanʼgang yuyŏk kusŏkki yujŏk palgul chosa pogosŏ
Subjects: Excavations (Archaeology), Stone age, Posŏng-gun, Antiquities
Places: Yŏnchʻŏn-gun, Korea (South), Posŏng-gun (Korea), Yŏnchʻŏn-gun (Korea)