More on Hopewell Culture National Historical Park from Fact Monster:

• Chillicothe - Chillicothe Chillicothe , city (1990 pop. 21,923), seat of Ross co., S central Ohio, on the Scioto ...
• Ohio, state, United States: History - History Prehistory to the American Revolution In prehistoric times Ohio was inhabited by the Mound ...
• Encyclopedia: U.S. National Park System - Encyclopeadia articles concerning U.S. National Park System.

See more Encyclopedia articles on: U.S. National Park System