Observing from level mounted on velocipede. Level center-mounted on velocipede. Crossing trestle on Southern Pacific Railroad. Level party of C. A. Egner
Image ID: theb1768, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: California Photo Date: 1920 Credit: C&GS Season's Report Egner 1920 Category: Geodesy/Leveling/ • High Resolution Photo Available
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