@misc{indiciae292bca5e412d, title = {Spirit leveling in California, 1896-1923: 37 degrees to 38 degrees latitude, 119 degrees to 120 degrees longitude}, author = {Claude Hale Birdseye}, year = {1925}, doi = {10.3133/b766hh}, url = {https://pubs.usgs.gov/publication/b766HH}, note = {Source identifier: b766HH} }