@misc{indiciaea0caba2f7211,
  title = {The geology and mineral resources of the Garhi Habibullah quadrangle and the Kakul area, Hazara District, Pakistan},
  author = {James Alfred Calkins and A.S. Abdul Matin},
  year = {1973},
  doi = {10.3133/ofr7340},
  url = {https://pubs.usgs.gov/publication/ofr7340},
  note = {Source identifier: ofr7340}
}