@misc{indiciae27147e6f2e52,
  title = {Tables of geographic positions, azimuths, and distances, together with lists of barometric altitudes, magnetic declinations, and itineraries of important routes},
  author = {Montgomery Meigs Macomb and George Montague Wheeler},
  year = {1885},
  doi = {10.3133/70042932},
  url = {https://pubs.usgs.gov/publication/70042932},
  note = {Source identifier: 70042932}
}