pl23_theb2487.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb2487jpg-0Description
Platform and stand built between two trees on Olympic Peninsula.Note man standing on platform.Triangulation party of H. A. Seran
Credit
C&GS; Season's Report Seran 1914
Display Date
1914
Location
Olympic Peninsula, Washington
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden