A modern map of Florida shows (with a dark line) the approximate location of the Last Glacial Maximum (LGM) coastline.
Last Glacial Maximum
Image courtesy of Exploring the Submerged New World 2012 Expedition, NOAA-OER. Download image (jpg, 69 KB).

A modern map of Florida shows (with a dark line) the approximate location of the Last Glacial Maximum (LGM) coastline.

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