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![Section of 1939 North Pacific chart 5486 by Navy Hydrographic Office showinghundreds of seamounts, the true configuration of the Aleutian Trench, and someof the southern seamounts of what became known as the Emperor Seamount Chainextending north from the vicinity of Midway Island map00121.jpg Section of 1939 North Pacific chart 5486 by Navy Hydrographic Office showinghundreds of seamounts, the true configuration of the Aleutian Trench, and someof the southern seamounts of what became known as the Emperor Seamount Chainextending north from the vicinity of Midway Island](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00121.jpg?itok=IM_aFjdO)
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Section of 1939 North Pacific chart 5486 by Navy Hydrographic Office showinghundreds of seamounts, the true configuration of the Aleutian Trench, and someof the southern seamounts of what became known as the Emperor Seamount Chainextending north from the vicinity of Midway Island. (Image credit: NOAA Central Library Historical Collection)