@misc{indiciae768de2420c05,
  title = {Geologic map of the Elysium Quadrangle of Mars},
  author = {D. H. Scott and J.W. Allingham},
  year = {1976},
  doi = {10.3133/i935},
  url = {https://pubs.usgs.gov/publication/i935},
  note = {Source identifier: i935}
}