TY - RPRT TI - Spirit leveling in California, 1896-1923: 37 degrees to 38 degrees latitude, 122 degrees to 123 degrees longitude AU - Claude Hale Birdseye PY - 1925 DO - 10.3133/b766kk UR - https://pubs.usgs.gov/publication/b766KK ID - b766KK ER -