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![Observing stand and platform in use during triangulation operations cgs00185.jpg Observing stand and platform in use during triangulation operations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs00185.jpg?itok=2I7yFgBL)
Description
Observing stand and platform in use during triangulation operations. LieutenantCharles Pierce is observing, George Blair recording, and Floyd Risvold readingthe B mike. (Image credit: Mr. Floyd Risvold)
Photographer
Mr. Floyd Risvold
Location
California coastline
Collection
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;
Keywords
West Coast California