@misc{indiciae28b82b44a3e9,
  title = {Geologic map of the Coprates Quadrangle of Mars},
  author = {J.F. McCauley},
  year = {1978},
  doi = {10.3133/i897},
  url = {https://pubs.usgs.gov/publication/i897},
  note = {Source identifier: i897}
}