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NOAA Photo Library Image - theb4325

All systems go! Taking three point sextant fix while on-line. Recorder by clock. Fathometer operator in bottom left out of picture. Officer in charge plotting fixes with three-arm protractor on table forward.

Image ID: theb4325, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Washington, Grand Coulee Dam, Columbia River
Photo Date: 1948
Credit: Family of Captain David M. Whipp, C&GS

High Resolution Photo Available

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Last Updated:
November 10, 2017