@misc{indiciaee44a27eacabd,
  title = {Scanning and georeferencing historical USGS quadrangles},
  author = {Kristin A. Fishburn and Larry R. Davis and Gregory J. Allord},
  year = {2017},
  doi = {10.3133/fs20173048},
  url = {https://pubs.usgs.gov/publication/fs20173048},
  note = {Source identifier: fs20173048}
}