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https://www.noaa.gov/media/digital-library-photo/pl23theb2545jpg-0Description
Observing party on 103-foot tower in Missouri.Triangulation party of Carl I. Aslakson (Image credit: Family of Captain Carl I. Aslakson, C&GS;)
Credit
Family of Captain Carl I. Aslakson, C&GS;
Display Date
1935
Location
Missouri Ozarks
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Bilby Steel Towers
Keywords
Geodesy
Triangulation
Towers
Bilby Steel