@misc{indiciaee93817b7018a,
  title = {Topographic map of the Elysium Northeast Quadrangle (MC-15 NE) of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1991},
  doi = {10.3133/i2126},
  url = {https://pubs.usgs.gov/publication/i2126},
  note = {Source identifier: i2126}
}