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pl23_theb2484.jpg

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https://www.noaa.gov/media/digital-library-photo/pl23theb2484jpg

Description

Station Gibuson - a 68 foot tree signal.Party of John F. Pratt - off of PATHFINDER

Credit

C&GS; Season's Report Pratt 1910

Display Date

1910

Location

Philippines

Keywords

Geodesy

Triangulation

Towers

Wooden