IOWA CITY — Some 375 million years ago, Iowa was under water. The temperatures were hot, and brightly colored corals and huge fish moved through the shallow sea. Visitors can see a glimpse of this ...
JOHNSON COUNTY, Iowa (KCRG) - When more than 300 billion gallons of floodwater poured over the Coralville Lake spillway in 1993, it washed away several feet of silt, sand, and limestone, revealing ...
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