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
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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June 10, 2016