@misc{indiciae17f172d70a6e,
  title = {Geologic maps of the Cydonia region of Mars Prime B Viking landing site},
  author = {David Holcomb Scott},
  year = {1976},
  doi = {10.3133/ofr76500},
  url = {https://pubs.usgs.gov/publication/ofr76500},
  note = {Source identifier: ofr76500}
}