@misc{indiciaef77c3ca7d975,
  title = {Coal resource assessment of the Jherruck area, Sonda coal field, Sindh Province, Pakistan},
  author = {J.R. SanFilipo and S.A. Khan and A.H. Chandio},
  year = {1994},
  doi = {10.3133/ofr93523},
  url = {https://pubs.usgs.gov/publication/ofr93523},
  note = {Source identifier: ofr93523}
}