pl23_theb3809.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb3809jpg-0Description
Identified as submerged atolls on Palawan Bank.Note similarity in shape to salt structures in Gulf of Mexico.See images theb.3833.htm and theb.3834.htm
Credit
Association of Commissioned Officers
Display Date
1933
Location
Palawan Bank, Philippine Islands Photo
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Bathymetry - Mapping the Features
1920-1985
Keywords
Charting
Soundings
Bathymetry
Acoustic