@misc{indiciaec484c8bdb3d2,
  title = {Elevations and distances in the United States},
  author = {U.S. Geological Survey},
  year = {2001},
  doi = {10.3133/70048223},
  url = {https://pubs.usgs.gov/publication/70048223},
  note = {Source identifier: 70048223}
}