@misc{indiciaee3c714bcdf2e,
  title = {Spirit leveling in California, 1896-1923: 37 degrees to 38 degrees latitude, 117 degrees to 118 degrees longitude},
  author = {Claude Hale Birdseye},
  year = {1925},
  doi = {10.3133/b766ff},
  url = {https://pubs.usgs.gov/publication/b766FF},
  note = {Source identifier: b766FF}
}