@misc{indiciaea8e89b7d4e05,
  title = {(ORB II-6(25)) Geologic map of Apollo landing site 2 (Apollo 11), part of Sabine D region, southwestern Mare Tranquillitatis},
  author = {M. J. Grolier},
  year = {1970},
  doi = {10.3133/i619},
  url = {https://pubs.usgs.gov/publication/i619},
  note = {Source identifier: i619}
}