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Shelton 100-meter comparator -- Making contact.
William Bowie on left
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Image ID: theb1652, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Midwest United States
Photo Date: 1902?
Credit: NOAA, John Hayford Album
Category: Geodesy/Triangulation/Baseline/Bar/
• High Resolution Photo Available
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