In the Florida Keys, a Boulder Coral Holds Traces of the Dust Bowl (IMAGE)

U.S. Geological Survey

In the Florida Keys, a Boulder Coral Holds Traces of the Dust Bowl

Caption

Scientists used a core from this Massive Starlet (Siderastrea siderea) coral colony in Dry Tortugas National Park to reconstruct ocean temperatures going back to 1837, matching historic weather phenomena on the US mainland. Photo: USGS

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USGS

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