@misc{indiciae9c7cf1dc7287,
  title = {Geological Survey research 1964, Chapter C},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1964},
  doi = {10.3133/pp501c},
  url = {https://pubs.usgs.gov/publication/pp501C},
  note = {Source identifier: pp501C}
}