• A rainbow arches over the Mound City Group after a thunderstorm

    Hopewell Culture

    National Historical Park Ohio

Park Planning

Spruce Hill Works by Squier & Davis - 1847

Plate from the Squier & Davis 1848 publication "Ancient Monuments of the Mississippi Valley."

Spruce Hill Summary Report

Learn more about Spruce Hill earthworks and how it may become a park unit of Hopewell Culture National Historical Park in the future.

Did You Know?

Camp Sherman barracks in background. Mounds being excavated in foreground.

Camp Sherman, a World War I training camp, was located in part at Mound City Group. Most of the mounds were significantly impacted. During construction of the cantonment, a new barrack was erected every 20 minutes. More...