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https://www.noaa.gov/media/digital-library-photo/pl23map00106jpgDescription
A single salt dome off Southwest Pass of the Mississippi River discovered bythe Coast and Geodetic Survey, contoured by Francis Shepard.GSA Bulletin; September 1937; v. 48; no. 9; p. 1349-1361. (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