
The Illinois River corridor near Havana is defined by a massive complex of wetlands and ancient earthworks in the late 1940s. The landscape reflects a dual identity of conservation and extraction, where the Chautauqua National Migratory Waterfowl Refuge sits across the river from extensive Strip Mine operations near Cuba and St David. Cultural history is exceptionally visible here, anchored by Dickson Mounds State Park and other archaeological sites like Tampico Mounds and Ogden Mounds near the Spoon River.
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