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NOAA Photo Library Image - theb2127

Double sounding chair arrangement. Effort to double density of soundings. Working off of HYDROGRAPHER in 20 to 25 fathoms

Image ID: theb2127, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Gulf of Mexico
Photo Date: 1917
Credit: C&GS Season's Report Seran 1917-94

Category: Charting/Soundings/Leadline/

• High Resolution Photo Available




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Last Updated: April 30, 2013