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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