@misc{indiciaeb7fa1c940fc0,
  title = {Preliminary geologic map of part of the Chryse region of Mars, Viking Mars 1975 landing site 3},
  author = {Harold Masursky and G. W. Colton},
  year = {1973},
  doi = {10.3133/ofr73180},
  url = {https://pubs.usgs.gov/publication/ofr73180},
  note = {Source identifier: ofr73180}
}