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Description
Floyd Risvold observing angles with theodolite No. 356 at Station Sauharita. (Image credit: Mr. Floyd Risvold)
Photographer
Mr. Floyd Risvold
Display Date
1935 March
Location
Arizona-Mexico Border area
Collection
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;