@misc{indiciae31e9e9f03da5,
  title = {Astrogeologic studies, annual progress report, July 1, 1963 to July 1, 1964},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1965},
  doi = {10.3133/ofr655},
  url = {https://pubs.usgs.gov/publication/ofr655},
  note = {Source identifier: ofr655}
}