@misc{indiciae1ae9c835ce1f,
  title = {The surface of Mars: An unusual laboratory that preserves a record of catastrophic and unusual events},
  author = {M. G. Chapman},
  year = {2009},
  doi = {10.1130/2009.453(01)},
  url = {https://pubs.usgs.gov/publication/70035451},
  note = {Source identifier: 70035451}
}