@misc{indiciaebb72942ae7a1,
  title = {Geologic map of the MTM 85200 quadrangle, Olympia Rupes region of Mars},
  author = {James A. Skinner and Kenneth E. Herkenhoff},
  year = {2012},
  doi = {10.3133/sim3197},
  url = {https://pubs.usgs.gov/publication/sim3197},
  note = {Source identifier: sim3197}
}