@misc{indiciaeae91b1f0116d,
  title = {Map of the country tributary to the Northern Pacific Railroad, compiled from English, Canadian, and American official sources and original surveys by Edward H. Knight, Jan. 1st 1871},
  author = {knight, e. h. (edward h.) and northern pacific railroad company},
  year = {1871},
  url = {https://www.loc.gov/item/98688747/},
  note = {Source identifier: 98688747}
}