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NOAA Photo Library Image - theb1569

Map of the 39th Parallel Arc. The first great geodetic arc in the western hemisphere

Image ID: theb1569, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: United States
Photo Date: 1871 - 1901
Credit: NOAA Central Library

Category: Geodesy/Triangulation/Angles/

• High Resolution Photo Available




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Last Updated: April 30, 2013