Digital Library Search
![Working along the Southern Pacific Railroad theb1767.jpg Working along the Southern Pacific Railroad](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1767.jpg?itok=BA9kvZG-)
Description
Working along the Southern Pacific Railroad.Rodman at benchmark.Observing crew even with engine on right.Velocipede removed from tracks.Level party of C. A. Egner (Image credit: C&GS; Season's Report Egner 1920)
Credit
C&GS; Season's Report Egner 1920
Display Date
California
Location
California
Collection
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent