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"
Image ID: theb3809, Voyage To Inner Space - Exploring the Seas With NOAA Collect Location: Palawan Bank, Philippine Islands Photo Date: 1933 Credit: Association of Commissioned Officers
