@misc{indiciae844c0ced5aa7,
  title = {Atlas of Mars, Mare Acidalium quadrangle, MC-4},
  author = {United States Geological Survey},
  year = {1973},
  doi = {10.3133/ofr73328},
  url = {https://pubs.usgs.gov/publication/ofr73328},
  note = {Source identifier: ofr73328}
}