@misc{indiciae59e172c74ea1,
  title = {Geologic map of the Bonpland H region of the Moon},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/i693},
  url = {https://pubs.usgs.gov/publication/i693},
  note = {Source identifier: i693}
}