@misc{indiciaedeb09b988ef5,
  title = {Geological Survey research 1966, Chapter B},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1966},
  doi = {10.3133/pp550b},
  url = {https://pubs.usgs.gov/publication/pp550B},
  note = {Source identifier: pp550B}
}