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![Survey track of the Coast Survey Steamer HASSLER on the coast of Californiashowing depth profiles of the continental slope map00187.jpg Survey track of the Coast Survey Steamer HASSLER on the coast of Californiashowing depth profiles of the continental slope](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00187.jpg?itok=yS2gMx-i)
Description
Survey track of the Coast Survey Steamer HASSLER on the coast of Californiashowing depth profiles of the continental slope. Survey was run in 1874 andmeant to determine the 500 fathom curve. (Image credit: NOAA Central Library Historical Collection)
Credit
NOAA Central Library Historical Collection
Collection
Voyage to Inner Space
History of Oceanography Collection
Bathymetric Maps Collection