@misc{indiciae47bc3ce27b1d,
  title = {Results of spirit leveling in Idaho, 1896 to 1914, inclusive},
  author = {Robert Bradford Marshall},
  year = {1915},
  doi = {10.3133/b567},
  url = {https://pubs.usgs.gov/publication/b567},
  note = {Source identifier: b567}
}