
The confluence of the Illinois River and Mississippi River creates a dynamic aquatic landscape at Grafton, where river-oriented life is visible through features like the Polestar Marina and Sherwood Harbor. The terrain north of the rivers is defined by a dense series of hollows, including Graham Hollow, Camden Hollow, and Jerseyville Hollow, which carve into the bluffs overlooking the water. This modern survey reflects the ecological preservation of the Two Rivers National Wildlife Refuge alongside active transportation hubs such as the St Charles County Regional Airport.
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