@misc{indiciae97abecc00a57,
  title = {(ORB II-6 (100)) Geologic map of the Sabine D region of the moon, Lunar Orbiter site II P-6, southwestern Mare Tranquillitatis including Apollo landing site 2},
  author = {M. J. Grolier},
  year = {1970},
  doi = {10.3133/i618},
  url = {https://pubs.usgs.gov/publication/i618},
  note = {Source identifier: i618}
}