Here is a sonar image of Target E3T, where we found buried wreckage from a shrimp boat (a steel fuel tank).
Target E3T Sonar
Image courtesy of the Search for the Lost French Fleet of 1565 Expedition, NOAA-OER/St. Augustine Lighthouse & Museum. Download image (jpg, 44 KB).

Here is a sonar image of Target E3T, where we found buried wreckage from a shrimp boat (a steel fuel tank).

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