@misc{indiciaeb0f4c7b9f3f2,
  title = {Shaded relief map of the western region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1982},
  doi = {10.3133/i1320},
  url = {https://pubs.usgs.gov/publication/i1320},
  note = {Source identifier: i1320}
}