@misc{indiciaecd7e4e6649e0,
  title = {Geologic Map of the MTM -30262 and -30267 Quadrangles, Hadriaca Patera Region of Mars},
  author = {David A. Crown and Ronald Greeley},
  year = {2007},
  doi = {10.3133/sim2936},
  url = {https://pubs.usgs.gov/publication/sim2936},
  note = {Source identifier: sim2936}
}