@misc{indiciaeb349b01dc34a,
  title = {Geologic map of the Margaritifer Sinus Quadrangle of Mars},
  author = {R.S. Saunders},
  year = {1979},
  doi = {10.3133/i1144},
  url = {https://pubs.usgs.gov/publication/i1144},
  note = {Source identifier: i1144}
}