@misc{indiciaefeef12eb31ed,
  title = {Geological Survey research 1967, Chapter D},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1967},
  doi = {10.3133/pp575d},
  url = {https://pubs.usgs.gov/publication/pp575D},
  note = {Source identifier: pp575D}
}