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Base line measurement with Invar tape.
Off Launch ELSIE
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Image ID: theb1664, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Georgia coast
Photo Date: 1924
Credit: Family of Captain Carl I. Aslakson, C&GS
Category: Geodesy/Triangulation/Baseline/Tape/
• High Resolution Photo Available
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