@misc{indiciae0b3eacf43ccc,
  title = {Controlled photomosaic of part of the Planum Australe region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1986},
  doi = {10.3133/i1838},
  url = {https://pubs.usgs.gov/publication/i1838},
  note = {Source identifier: i1838}
}