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Go inside the Earth Lodge. The Earth Lodge is ... The area includes the two tallest mounds within the park, created by Mississippian people around the 10th century C.E. using river clay.
“The mounds ... (include) a distinctive spiral mound, a restored Earth Lodge where tribal meetings ... least 17,000 years — ...
The mounds they built, which are currently a national historic site that includes a distinctive spiral mound, a restored Earth Lodge where tribal meetings occurred, and a labyrinth of walking ...