@misc{indiciaec0e2da1c8342,
  title = {Controlled photomosaic of part of the Elysium Mons Region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1986},
  doi = {10.3133/i1781},
  url = {https://pubs.usgs.gov/publication/i1781},
  note = {Source identifier: i1781}
}