@misc{indiciae2afcf2185ef6,
  title = {Controlled photomosaic of the MTM -40307 Quadrangle, western Hellas Planitia region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1993},
  doi = {10.3133/i2335},
  url = {https://pubs.usgs.gov/publication/i2335},
  note = {Source identifier: i2335}
}