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Graded road made to measure Epping Plains Base.
Base Line party of Alexander Dallas Bache
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Image ID: theb1648, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Maine, Epping Plains
Photo Date: 1857
Credit: NOAA Central Library
Category: Geodesy/Triangulation/Baseline/Bar/
• High Resolution Photo Available
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