No. 1. Sketch A Showing the Primary Triangulation in Section I and the
Connection of the Baselines in Sections I and II from 1844 to 1864.
Annual Report 1865.
Image ID: cgs06301, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1865
Credit: United States Coast Survey Annual Report 1865
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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June 10, 2016