@misc{indiciae6234e3b89372,
  title = {U.S. Geological Survey World Wide Web Information},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/fs07199},
  url = {https://pubs.usgs.gov/publication/fs07199},
  note = {Source identifier: fs07199}
}