@misc{indiciaeec91a8d1cdfa,
  title = {Controlled mosaic of the Utopia Planitia region of Mars (Viking 2 landing site)},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/i1061},
  url = {https://pubs.usgs.gov/publication/i1061},
  note = {Source identifier: i1061}
}