On Iowa Border, the Mississippi River Is Eroding Sacred Indigenous Mounds

"A multimillion-dollar bank stabilization project proposed by the U.S. Army Corps of Engineers could protect one of the densest collections of ceremonial and burial mounds still existing in North America."

"CLAYTON, Iowa — The Sny Magill Unit of Effigy Mounds National Monument is a hidden wonder.

A dozen miles downstream from the park’s visitor center along the Mississippi River, the path starts with a turn you might miss if you’re not looking closely. Follow that path under a railroad bridge to a boat landing, then go by foot through the woods until the floodplain opens out flat in front of you, revealing more than 100 sacred mounds built by Native Americans thousands of years ago.

These ceremonial and burial mounds are one of the densest collections still existing in North America. It’s clear the people who built them had a special connection to the river valley cradled between the bluffs of the Driftless region, and wanted to add their own features to it, said park superintendent Susan Snow."

Madeline Heim and Frank Vaisvilas report for the Milwaukee Journal Sentinel October 19, 2024.

Source: Milwaukee Journal Sentinel, 10/21/2024