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pl23_theb2533.jpg

Looking down from the top of a 50-foot tower

Image

Download ( 110 KB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb2533jpg-0

Description

Looking down from the top of a 50-foot tower.Triangulation party of Wilbur Porter

Credit

NOAA, George E. Marsh Album

Display Date

1934

Location

Midwestern United States

Collection

Historic Coast & Geodetic Survey

Geodesy

Triangulation

Bilby Steel Towers

Keywords

Geodesy

Triangulation

Towers

Bilby Steel