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NOAA Photo Library Image - theb1621

Map showing status of triangulation as of 1937.

Image ID: theb1621, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: United States
Photo Date: 1937
Credit: Association of Commissioned Officers

Category: Geodesy/Triangulation/Angles/

• High Resolution Photo Available




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Last Updated: April 30, 2013