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NOAA Photo Library Image - cgs00497

George B. Lesley using Geodimeter Model 2A for measuring distance by mercury vapor light over long distances. Pappy Shelton, chief of the geodimeter party, is on the radio.

Image ID: cgs00497, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection


• High Resolution Photo Available




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Last Updated: April 30, 2013