@misc{indiciaedc1884c562d9,
  title = {Mapping Applications Center, National Mapping Division, U.S. Geological Survey},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1996},
  doi = {10.3133/fs19996},
  url = {https://pubs.usgs.gov/publication/fs19996},
  note = {Source identifier: fs19996}
}