@misc{indiciae3e2d18d4d5ce,
  title = {Results of spirit leveling in Wyoming, 1896 to 1912, inclusive},
  author = {Robert Bradford Marshall},
  year = {1914},
  doi = {10.3133/b558},
  url = {https://pubs.usgs.gov/publication/b558},
  note = {Source identifier: b558}
}