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![Stern of the USC&GS; Ship PIONEER tied up somewhere in San Francisco Bay ship1599.jpg Stern of the USC&GS; Ship PIONEER tied up somewhere in San Francisco Bay](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship1599.jpg?itok=u0FZ1L6c)
Description
Stern of the USC&GS; Ship PIONEER tied up somewhere in San Francisco Bay.This was possibly during the great magnetic survey of the West Coast that led to the discovery of magnetic striping on the seafloor, a key to plate tectonics.
Location
California, Oakland
Collection
Sailing for Science