• Aerial photo of Mound City Group - Photo courtesy of Ryan Fisher

    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?

Arch. Atlas of Ohio-Mills

William Mills documented the presence of 49 enclosures and 370 mounds in Ross County in his book entitled "Archaeological Atlas of Ohio," published in 1914.