@misc{indiciae6006c9bae7ed,
  title = {No. 1: List of elevations principally in that portion of the United States west of the Mississippi River},
  author = {Ferdinand Vandeveer Hayden and Henry Gannett},
  year = {1875},
  doi = {10.3133/70038988},
  url = {https://pubs.usgs.gov/publication/70038988},
  note = {Source identifier: 70038988}
}