@misc{indiciae67e74389348c,
  title = {Geologic Map of MTM -40277, -45277, -40272, and -45272 Quadrangles, Eastern Hellas Planitia Region of Mars},
  author = {Leslie F. Bleamaster and David A. Crown},
  year = {2010},
  doi = {10.3133/sim3096},
  url = {https://pubs.usgs.gov/publication/sim3096},
  note = {Source identifier: sim3096}
}