@misc{indiciae4330716fd911, title = {Spirit leveling in California, 1896-1923: 38 degrees to 39 degrees latitude, 119 degrees to 120 degrees longitude}, author = {Claude Hale Birdseye}, year = {1925}, doi = {10.3133/b766mm}, url = {https://pubs.usgs.gov/publication/b766MM}, note = {Source identifier: b766MM} }