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Description
Annual Report 1855. No. 52 Tripod & Scaffold for Primary Triangulation Devisedby C.O. Boutelle Assistant and Stand & Signal for Secondary TriangulationDevised by J. Farley Assist. (Image credit: United States Coast Survey Annual Report 1855)
Credit
United States Coast Survey Annual Report 1855
Display Date
1855
Collection
Historic Coast & Geodetic Survey
Historic Maps
United States Coast Survey Annual Report
Keywords
Historical Cartography