- North Chungcheong Province
| Heo, Chul-Ho (2014) Spectroscopy of Skarn Minerals in Dangdu Pb-Zn Deposit and Assessment of Skarn Exploration Approaches Employing Portable Spectrometer. Journal of the Mineralogical Society of Korea, volume 27, issue 3, 2014, Pages 135-147 Jeong, Yong Sik Yu, Jaehyung Koh, Sang-Mo |