@misc{indiciae99dd8b05f6de, title = {Geology and mineral resources of the Chitral-Partsan area, Hindu Kush Range, northern Pakistan}, author = {James Alfred Calkins and S. Jamiluddin and K. Bhuyan and A. Hussain}, year = {1980}, doi = {10.3133/ofr80837}, url = {https://pubs.usgs.gov/publication/ofr80837}, note = {Source identifier: ofr80837} }