@misc{indiciaed39ecb976201,
  title = {Report upon the determination of the astronomical co-ordinates of the primary stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, made during the years 1872 and 1873},
  author = {George Montague Wheeler and F. Kampf and J.H. Clark},
  year = {1874},
  doi = {10.3133/70039384},
  url = {https://pubs.usgs.gov/publication/70039384},
  note = {Source identifier: 70039384}
}