@misc{indiciae7baa186f9b19,
  title = {Limited anniversary edition of the historic trail maps of eastern Colorado and northeastern New Mexico},
  author = {Glenn R. Scott},
  year = {2004},
  doi = {10.3133/sim2828},
  url = {https://pubs.usgs.gov/publication/sim2828},
  note = {Source identifier: sim2828}
}