Progress Sketch of the Primary Triangulation

Map of the progress sketch of the primary triangulation, with points on Adirondack Mountains, including Marcy, Whiteface, Morris, Blue, Lyon, DeBar, and St. Regis; also St. Regis Indian Village. Map also includes the Grass, Raquette, St. Regis, West and East Salmon Rivers. Surveyor and scale: indeterminable. Original map size is 36 x 92 inches. Original map is held by the Dept. of Environmental Conservation.
Date Original
New York State Archives, Dept. of Environmental Conservation, Verplanck Colvin maps of the Adirondack wilderness, B1405-96, SARA No. 174
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Special Project
Environmental History Virtual Resource Collection