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NOAA Photo Library Image - theb2473

Jasper S. Bilby observing from reconnaissance pole attached to tree. Top of pole is 104 feet above ground. Checking for intervisibility between stations. Helping plan for necessary height of tower at station

Image ID: theb2473, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Minnesota
Photo Date: 1903
Credit: NOAA, John Hayford Album

Category: Geodesy/Triangulation/Towers/Wooden/

• High Resolution Photo Available




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Last Updated: April 30, 2013