@misc{indiciae07893ad04ac7,
  title = {Controlled mosaic of the western part of the Chryse Planitia region of Mars Viking 1 landing site},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1977},
  doi = {10.3133/i1068},
  url = {https://pubs.usgs.gov/publication/i1068},
  note = {Source identifier: i1068}
}