@misc{indiciae09c13ea6f873,
  title = {Mars charts, uncontrolled photomosaics--MC-2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1972},
  doi = {10.3133/ofr72415},
  url = {https://pubs.usgs.gov/publication/ofr72415},
  note = {Source identifier: ofr72415}
}