Near the Coralville Dam north of Iowa City, there is a place called Fossil Gorge. It is here that, in 1993, when floodwaters topped the spillway, thousands of Devonian fossils were uncovered in the river bed. Last year, in the floods of 2008, more of the bed was stripped away to reveal new fossils. Here is Norah exploring the now-dry riverbed for fossils.
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