@misc{indiciae7f2736c47bd5,
  title = {Atlas of Mars; photoindex of Mariner 9, "B" camera coverage on Mars charts MC 130, scale 1:5,000,000},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/ofr74135},
  url = {https://pubs.usgs.gov/publication/ofr74135},
  note = {Source identifier: ofr74135}
}