@misc{indiciae410835acca75,
  title = {Map of the Marietta and Pittsburgh Railroad and its connections},
  author = {marietta and pittsburgh railroad and g.w. \& c.b. colton \& co},
  year = {1871},
  url = {https://www.loc.gov/item/98688707/},
  note = {Source identifier: 98688707}
}