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pl23_theb3049.jpg

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb3049jpg-0

Description

Bronze triangulation mark.These marks are found throughout the United States and its territories.Triangulation marks have known latitudes, longitudes, and plane coordinates

Credit

NOAA

Collection

Historic Coast & Geodetic Survey

Keywords

Geodesy

Marks