@misc{indiciae912fbd57eba1,
  title = {National Cartographic Information Center},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/70039255},
  url = {https://pubs.usgs.gov/publication/70039255},
  note = {Source identifier: 70039255}
}