@misc{indiciae007d68a7db84,
  title = {Geologic map of the Phaethontis Quadrangle of Mars},
  author = {J. H. Howard},
  year = {1979},
  doi = {10.3133/i1145},
  url = {https://pubs.usgs.gov/publication/i1145},
  note = {Source identifier: i1145}
}