@misc{indiciae21355dd191b2,
  title = {Preliminary geologic map of Lunar Orbiter site III-P-11},
  author = {David Cummings},
  year = {1967},
  doi = {10.3133/ofr6869},
  url = {https://pubs.usgs.gov/publication/ofr6869},
  note = {Source identifier: ofr6869}
}