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![Profiles of submarine mountains discovered in the Gulf of Alaska by systematicCoast and Geodetic tracklines between 1925 and 1939 ship3147.jpg Profiles of submarine mountains discovered in the Gulf of Alaska by systematicCoast and Geodetic tracklines between 1925 and 1939](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship3147.jpg?itok=yKPT1Hxt)
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Profiles of submarine mountains discovered in the Gulf of Alaska by systematicCoast and Geodetic tracklines between 1925 and 1939. Pratt and Welker are theprototype guyots described by Harry Hess a few years later.In: Submarine Mountains in the Gulf of Alaska by H. W. Murray. In: SubmarineMountains in the Gulf of Alaska. Published in Bulletin of the GSA, V. 52, 1941 (Image credit: Archival Photography by Steve Nicklas)