@misc{indiciae81ee5c4129e6,
  title = {Controlled photomosaic of the MTM 20252 Quadrangle, Tyrrhena Patera region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1991},
  doi = {10.3133/i2222},
  url = {https://pubs.usgs.gov/publication/i2222},
  note = {Source identifier: i2222}
}