@misc{indiciaefec4a70c617f,
  title = {Controlled photomosaic of the MTM -40312 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/i2336},
  url = {https://pubs.usgs.gov/publication/i2336},
  note = {Source identifier: i2336}
}