Historic Resources Study
The Historic Resources Study of the Mississippi National River and Recreation Area was developed cooperatively by the National Park Service, and the U.S. Corps of Engineers, St. Paul District in 2003. The historic resources study includes eight chapters, with areas of interest ranging from the early geology of the Mississippi National River and Recreation Area to the growth of many cities along the banks of the river.
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Did You Know?
Certain freshwater mussels can live to more than 100 years in the right conditions. This lifespan is one of the longest for any creature on earth.