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NOAA Photo Library Image - cgs02744

Preparing to take three-point sextant fix prior to Nansen cast for water sampling station. This is done to calibrate the fathometers for velocity of sound in sea water. Ensign Charlie Molyneaux with sextant. Operations of ESSA Ship PATTON.

Image ID: cgs02744, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, Saginaw Bay
Photo Date: 1967
Photographer: Dan Twohig, NOAA (ret.)

High Resolution Photo Available

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Last Updated:
November 10, 2017