@misc{indiciae71c7955f86d6,
  title = {Map showing the economic minerals along the route of the Chesapeake \& Ohio Rail Way to accompany the geological report of Thomas S. Ridgway},
  author = {chesapeake and ohio railroad company and ridgway, thomas s. and maury, matthew fontaine},
  year = {1872},
  url = {https://www.loc.gov/item/98688616/},
  note = {Source identifier: 98688616}
}