@misc{indiciae7f1e4e945505,
  title = {Looking for an old aerial photograph},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1997},
  doi = {10.3133/fs12796},
  url = {https://pubs.usgs.gov/publication/fs12796},
  note = {Source identifier: fs12796}
}