Progress Sketch of the Primary Triangulation

A map of Progress Sketch of the Primary Triangulation, in the Adirondack Mountains. Hand drawn map showing lines of triangulation with many notations; mountains with elevations, water features including Schroon Lake and Pharoah Lake, and county boundaries. Scale 1:26 720. Original map size is 44 x 36 inches. Original map is held by the Dept. of Environmental Conservation.
Identifier
NYSA_B1405-96_125
Date Original
1880
Language
English
Source
New York State Archives, Dept. of Environmental Conservation, Verplanck Colvin maps of the Adirondack wilderness, B1405-96, SARA No. 125
Rights
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Special Project
Environmental History Virtual Resource Collection