@misc{indiciae16d9e14face7,
  title = {How to Select and Order NAPP and NHAP Photographs},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2001},
  doi = {10.3133/fs08701},
  url = {https://pubs.usgs.gov/publication/fs08701},
  note = {Source identifier: fs08701}
}