@misc{indiciae7f2937c12911,
  title = {Special project images},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/fs08599},
  url = {https://pubs.usgs.gov/publication/fs08599},
  note = {Source identifier: fs08599}
}