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Description
Climbing a small tower at Station Pinnacle.Providing horizontal control survey for aerial photography of King County (Image credit: C&GS; Season's Report Oliver 1937)
Credit
C&GS; Season's Report Oliver 1937
Display Date
1937
Location
Washington, King County
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden