@misc{indiciae0f9aa40de552,
  title = {Map, line and sinker},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/7000080},
  url = {https://pubs.usgs.gov/publication/7000080},
  note = {Source identifier: 7000080}
}