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https://www.noaa.gov/media/digital-library-photo/pl23map00105jpgDescription
1937 tectonic map including offshore bathymetry of Portugal showing numerousoffshore canyons. Part of Bruce Heezen collection at NOAA Central Library. (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
Keywords
Exploration
Maps