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Description
115-foot tower built around tree on Sarangani Island. (Image credit: Family of Captain Roland D. Horne, C&GS;)
Credit
Family of Captain Roland D. Horne, C&GS;
Display Date
1923
Location
Philippine Islands
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden