@misc{indiciaeaabb17842f0e,
  title = {Controlled photomosaic of the MTM 20187 Quadrangle, Ma'Adim Vallis Region of Mars},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1992},
  doi = {10.3133/i2260},
  url = {https://pubs.usgs.gov/publication/i2260},
  note = {Source identifier: i2260}
}