@misc{indiciae014492c4e692,
  title = {Atlas of Mars, Margaritifer Sinus Quadrangle, MC-19},
  author = {United States Geological Survey},
  year = {1973},
  doi = {10.3133/ofr73335},
  url = {https://pubs.usgs.gov/publication/ofr73335},
  note = {Source identifier: ofr73335}
}