@misc{indiciae9643427ce014,
  title = {Topographic instructions of the United States Geological Survey. Map compilation from aerial photographs},
  author = {T.P. Pendleton},
  year = {1928},
  doi = {10.3133/b788f},
  url = {https://pubs.usgs.gov/publication/b788F},
  note = {Source identifier: b788F}
}