@misc{indiciaeb7fd758a3d32,
  title = {Geological Survey research 1968: Chapter C},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1968},
  doi = {10.3133/pp600c},
  url = {https://pubs.usgs.gov/publication/pp600C},
  note = {Source identifier: pp600C}
}