@misc{indiciaef6d0051bfea4,
  title = {Map showing the Southern Maryland Railroad and its connections : north, south, east, and west},
  author = {g.w. \& c.b. colton \& co and southern maryland railroad},
  year = {1881},
  url = {https://www.loc.gov/item/2005626727/},
  note = {Source identifier: 2005626727}
}