@misc{indiciae0135fa89ae7b,
  title = {Historical Topographic Map Collection bookmark},
  author = {Kristin A. Fishburn and Gregory J. Allord},
  year = {2017},
  doi = {10.3133/gip179},
  url = {https://pubs.usgs.gov/publication/gip179},
  note = {Source identifier: gip179}
}