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![Observing from level mounted on velocipede theb1768.jpg Observing from level mounted on velocipede](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1768.jpg?itok=T9QNigKu)
Description
Observing from level mounted on velocipede.Level center-mounted on velocipede.Crossing trestle on Southern Pacific Railroad.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
1920
Location
California
Collection
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling