@misc{indiciae0b3dfd707387,
  title = {Territory of the United States from the Mississippi River to the Pacific Ocean; originally prepared to accompany the reports of the explorations for a Pacific railroad route},
  author = {warren, g. k. (gouverneur kemble) and fillmore, millard and freyhold, edward and united states. war department and bien, julius},
  year = {1868},
  url = {https://www.loc.gov/item/gm71000836/},
  note = {Source identifier: gm71000836}
}