@misc{indiciaefb402e1460fa,
  title = {Indexes of Mars topographic maps published by the U.S. Geological Survey, June 1, 1985},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1985},
  doi = {10.3133/i1766},
  url = {https://pubs.usgs.gov/publication/i1766},
  note = {Source identifier: i1766}
}