@misc{indiciaecf1f13082c60,
  title = {Single-edition quadrangle maps},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1998},
  doi = {10.3133/fs09498},
  url = {https://pubs.usgs.gov/publication/fs09498},
  note = {Source identifier: fs09498}
}