@misc{indiciaea00102d4c668,
  title = {A map of the Baltimore \& Ohio Railroad and its principal connecting lines uniting all parts of the East \& West},
  author = {a. hoen \& co},
  year = {1860},
  url = {https://www.loc.gov/item/gm70002856/},
  note = {Source identifier: gm70002856}
}