@misc{indiciaecc438067a79a,
  title = {Geologic map of the Pompeii Quadrangle (MTM 20057), Maja Valles region of Mars},
  author = {R. A. De Hon},
  year = {1992},
  doi = {10.3133/i2203},
  url = {https://pubs.usgs.gov/publication/i2203},
  note = {Source identifier: i2203}
}