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NOAA Photo Library Image - theb2154

Leo Otis Colbert with Dorsey Fathometer No. 3. The first effective shallow and deep water echosounder. Operator watched flashing light. On the ship OCEANOGRAPHER

Image ID: theb2154, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: United States East Coast
Credit: NOAA Office of Coast Survey

Category: Charting/Soundings/Electronic/

High Resolution Photo Available

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Last Updated:
June 10, 2016