@misc{indiciaee728673d07c4,
  title = {Topographic map of the Surtis Major Quadrangle of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/i967},
  url = {https://pubs.usgs.gov/publication/i967},
  note = {Source identifier: i967}
}