In 1992, Mound City Group became Hopewell Culture National Historic Park, along with the remnants of four other nearby earthwork and mound systems.
Its definition included remnants of four other nearby earthwork and mound systems. In 1992, Mound City Group was renamed and expanded as Hopewell Culture National Historic Park.
In 1992, Mound City Group was renamed and expanded as Hopewell Culture National Historic Park. Its definition included remnants of four other nearby earthwork and mound systems.
In 1992, Mound City Group was renamed and expanded as Hopewell Culture National Historic Park. Its definition included remnants of four other nearby earthwork and mound systems.