@misc{indiciae59d9cf78434c,
  title = {Preliminary geologic map of the Geminus quadrangle of the Moon},
  author = {Maurice J. Grolier},
  year = {1970},
  doi = {10.3133/ofr70145},
  url = {https://pubs.usgs.gov/publication/ofr70145},
  note = {Source identifier: ofr70145}
}