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![Map showing the route and profile of soundings obtained by the USS STEWART in1922 map00074.jpg Map showing the route and profile of soundings obtained by the USS STEWART in1922](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00074.jpg?itok=v5hvzpHO)
Description
Map showing the route and profile of soundings obtained by the USS STEWART in1922. The STEWART crossed the Atlantic and ran a complete line of acousticsoundings and obtained over 900 measurements of depth from the East Coastof the United States to the Straits of Gibraltar. Although not the first lineof acoustic soundings, it ushered in the use of acoustics in ocean exploration. (Image credit: NOAA Central Library Historical Collection)