@misc{indiciae38c9280f831f,
  title = {Astrogeologic studies, annual progress report, July 1, 1964 to July 1, 1965},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1965},
  doi = {10.3133/ofr66141},
  url = {https://pubs.usgs.gov/publication/ofr66141},
  note = {Source identifier: ofr66141}
}