@misc{indiciaeed887fde6b95,
  title = {Geologic map of the MTM -85080 quadrangle (revised), Planum Australe region of Mars},
  author = {Kenneth E. Herkenhoff and Bruce C. Murray},
  year = {1994},
  doi = {10.3133/i2391},
  url = {https://pubs.usgs.gov/publication/i2391},
  note = {Source identifier: i2391}
}