@misc{indiciaed58ce68345a4,
  title = {USGS Facts on Disc},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2007},
  doi = {10.3133/ofr2002210},
  url = {https://pubs.usgs.gov/publication/ofr2002210},
  note = {Source identifier: ofr2002210}
}