@misc{indiciaeb7905f2e92cd,
  title = {Sulfur, fluorspar, magnesite, and aluminous chromite in Pakistan},
  author = {Raymond H. Nagell},
  year = {1975},
  doi = {10.3133/ofr75496},
  url = {https://pubs.usgs.gov/publication/ofr75496},
  note = {Source identifier: ofr75496}
}