@misc{indiciae25e9f09125a7,
  title = {Spirit leveling in California, 1896-1923: 33 degrees to 34 degrees latitude, 115 degrees to 116 degrees longitude},
  author = {Claude Hale Birdseye},
  year = {1925},
  doi = {10.3133/b766g},
  url = {https://pubs.usgs.gov/publication/b766G},
  note = {Source identifier: b766G}
}