@misc{indiciaea93cb460042f,
  title = {(ORB II-13 (25)) Geologic map of Apollo landing site 5, part of Maestlin G region Oceanus Procellarum},
  author = {S.R. Titley and N.J. Trask},
  year = {1969},
  doi = {10.3133/i623},
  url = {https://pubs.usgs.gov/publication/i623},
  note = {Source identifier: i623}
}