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NOAA Photo Library Image - map00385

The sounding line heard round the world. A Hayes sonic depth finder was installed on the USS STEWART and it ran the first line of sonic soundings across the Atlantic Ocean from Cape Cod to Gibraltar. This profile was published in the first number of the International Hydrographic Review and sounded the death knell for mechanical sounding systems.

Image ID: map00385, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Credit: United States Navy Hydrographic Office; NOAA Central Library Historical Collections

High Resolution Photo Available

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Last Updated:
November 10, 2017