@misc{indiciae82062b6b299a,
  title = {Geologic map of the MTM-15147 quadrangle, Mangala Valles region of Mars},
  author = {J. R. Zimbelman and R. A. Craddock and Ronald Greeley},
  year = {1994},
  doi = {10.3133/i2402},
  url = {https://pubs.usgs.gov/publication/i2402},
  note = {Source identifier: i2402}
}