Target 1 consists of several magnetic anomalies, or variations from the Earth’s magnetic field.
Magnetic Map
Image courtesy of the Search for the Lost French Fleet of 1565 Expedition, NOAA-OER/St. Augustine Lighthouse & Museum. Download larger version (jpg, 957 KB).

Target 1 consists of several magnetic anomalies, or variations from the Earth’s magnetic field. This is what we would expect to see of a scatter of iron artifacts buried in the sand from a historic shipwreck.

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