@misc{indiciaed29ff4d7d152,
  title = {Geological Survey research 1960; synopsis of geologic results},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1960},
  doi = {10.3133/pp400a},
  url = {https://pubs.usgs.gov/publication/pp400A},
  note = {Source identifier: pp400A}
}