Section of 1939 North Pacific chart 5486 by Navy Hydrographic Office showing hundreds of seamounts, the true configuration of the Aleutian Trench, and some of the southern seamounts of what became known as the Emperor Seamount Chain extending north from the vicinity of Midway Island.

Image ID: map00121, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Credit: NOAA Central Library Historical Collection

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