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Photo of sand on the bottom of the Connecticut River

By Woods Hole Coastal and Marine Science Center 2013 (approx.)
Photo of sand on the bottom of the Connecticut River
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Detailed Description

Photo of sand on the bottom of the Connecticut River taken by the flying eyeball in Autumn 2013. The flying eyeball and its cousin, the poking eyeball, are prototype underwater camera systems developed by U.S. Geological Survey (USGS) scientists

Sources/Usage

Public Domain.