@misc{indiciae23b75e60f2ca,
  title = {Topographic map of the Coprates Northwest Quadrangle of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1986},
  doi = {10.3133/i1712},
  url = {https://pubs.usgs.gov/publication/i1712},
  note = {Source identifier: i1712}
}