@misc{indiciaeab4f8ae2c81a,
  title = {Report on publications acitivities, Directorate General for Mineral Resources, Jiddah, Saudi Arabia},
  author = {Neil W. Maxfield and Robert B. Fraser},
  year = {1975},
  doi = {10.3133/ofr75271},
  url = {https://pubs.usgs.gov/publication/ofr75271},
  note = {Source identifier: ofr75271}
}