@misc{indiciaed41e9645c821,
  title = {Map shewing the connection of the Baltimore and Ohio-Rail-Road with other rail roads executed or in progress throughout the United States},
  author = {edward weber \& co},
  year = {1840},
  url = {https://www.loc.gov/item/gm70002855/},
  note = {Source identifier: gm70002855}
}