@misc{indiciae65a0dd685c41,
  title = {Preliminary geologic map of the Wilhelm quadrangle of the Moon},
  author = {Ronald Stephen Saunders},
  year = {1970},
  doi = {10.3133/ofr70286},
  url = {https://pubs.usgs.gov/publication/ofr70286},
  note = {Source identifier: ofr70286}
}