🇺🇸 United States · Earthwork
Seal Township Earthworks
Middle Woodland Hopewell 50–350 CE · Hopewell tradition
Scioto bluff Hopewell enclosure triplet (circle-square-irregular) 45 km south of Chillicothe core.
🇺🇸 United States · Earthwork
Ingomar Mound
Middle Woodland Miller culture 100–600 CE · Miller (Woodland)
Isolated conical mound 25 ft/7.6 m high, 70 ft/21 m diameter, tallest extant Woodland mound in north Mississippi.
🇺🇸 United States · Earthwork
Shrum Mound
Early Woodland Adena to Early Hopewell transition · Adena
Adena conical mound (20 ft/6 m high, 100 ft/30 m diameter) preserved in Campbell Park, Columbus — one of few surviving mounds in Ohio's capital city.