The Sny Magill Unit of Effigy Mounds National Monument near Clayton, Iowa, is a hidden wonder, with more than 100 sacred mounds built by Native Americans thousands of years ago. But the Mississippi River has significantly eroded the bank they built on, eating away at some of the mounds at the water’s edge.
Author Archives: Frank Vaisvilas / Milwaukee Journal Sentinel
Frank Vaisvilas covers Native American issues in Wisconsin for the Milwaukee Journal Sentinel and the USA TODAY Network. Previously, he wrote feature stories for the Chicago Tribune, Chicago Sun-Times and the Daily Southtown and served as a breaking news weekend reporter for the Daily Southtown and the Chicago Tribune.