@misc{indiciae3a2380e5ef6a,
  title = {Controlled photomosaic of part of the Valles Marineris region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/i1591},
  url = {https://pubs.usgs.gov/publication/i1591},
  note = {Source identifier: i1591}
}