pl23_theb2493.jpg
![115-foot tower built around tree on Sarangani Island theb2493.jpg 115-foot tower built around tree on Sarangani Island](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2493.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23theb2493jpg-0Description
115-foot tower built around tree on Sarangani Island.
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