• Mound City visitor center in spring

    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?

Pink heelsplitter mussel

Freshwater mussels were an important resource for Hopewellian people. Mussels were used as  food, provided pearls for ornaments and shells were utilized for hoes.  Although plentiful during the Middle Woodland period, over-harvesting and low water quality have reduced their numbers drastically today.  Many freshwater mussels are on the State and Federal Endangered Species list. More...