@misc{indiciaec7641a3426d3,
  title = {Map of the projected railway from Harrisburg to Pittsburg [sic] with proposed extensions to Cleveland, Cincinnati and St. Louis, in connexion [sic] with the public works of Pennsylvania, Ohio, Indiana and Illinois},
  author = {sheaff, j. a.},
  year = {1840},
  url = {https://www.loc.gov/item/98688348/},
  note = {Source identifier: 98688348}
}