@misc{indiciaef882209d2494,
  title = {Topographic map of the Mare Tyrrhenum Southwest Quadrangle (MC-22 SW) of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1991},
  doi = {10.3133/i2116},
  url = {https://pubs.usgs.gov/publication/i2116},
  note = {Source identifier: i2116}
}