@misc{indiciaea613e9f9fd24,
  title = {Geologic map of Mars},
  author = {David H. Scott and Michael H. Carr},
  year = {1978},
  doi = {10.3133/i1083},
  url = {https://pubs.usgs.gov/publication/i1083},
  note = {Source identifier: i1083}
}