@misc{indiciaea2fafc6c6ebe,
  title = {U.S. Geological Survey Information Sources},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1998},
  doi = {10.3133/fs12595},
  url = {https://pubs.usgs.gov/publication/fs12595},
  note = {Source identifier: fs12595}
}