@misc{indiciaeaa9b20947971,
  title = {Aerial photographic reproductions},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/70039435},
  url = {https://pubs.usgs.gov/publication/70039435},
  note = {Source identifier: 70039435}
}