@misc{indiciaec84faccb4b77,
  title = {Spirit leveling in California, 1896-1923: 33 degrees to 34 degrees latitude, 117 degrees to 118 degrees longitude},
  author = {Claude Hale Birdseye},
  year = {1925},
  doi = {10.3133/b766i},
  url = {https://pubs.usgs.gov/publication/b766I},
  note = {Source identifier: b766I}
}