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View Full Version : Giant Ancient Impact Crater Confirmed in Iowa



Fraser
2013-Mar-06, 09:10 PM
A monster lurks under northeastern Iowa. That monster is in the form of a giant buried basin, the result of a meteorite impact in central North America over 470 million years ago. (...)Read the rest of Giant Ancient Impact Crater Confirmed in Iowa (859 words) David Dickinson for Universe Today, 2013. | Permalink | [...]

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