@misc{indiciaed2b506788e56,
  title = {Geologic map of the Ellipse West One area (part of Lunar Orbiter site II P-13)},
  author = {S.R. Titley and N.J. Trask},
  year = {1968},
  doi = {10.3133/ofr69284},
  url = {https://pubs.usgs.gov/publication/ofr69284},
  note = {Source identifier: ofr69284}
}