Observing station on Round Top - 10386 feet.
39th Parallel triangulation.
Astro and triangulation party of George Davidson
Image ID: theb1568, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1876
Credit: NOAA Central Library
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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July 7, 2015