🇺🇸 United States · Earthwork
Bournville Mound
Middle Woodland (Hopewell) · Hopewell (Ohio Scioto)
Hopewell circular enclosure (100 BCE–400 CE) near Bourneville — 120-m ring and 5-m log-tomb mound at Chillicothe.
🇺🇸 United States · Earthwork
Story Mound
Early Woodland Adena · Adena
Adena conical mound (19.5 ft/6 m high, 95 ft/29 m diameter) preserved as Story Mound State Memorial, encircled by suburban Chillicothe but intact with original ditch.
🇺🇸 United States · Earthwork
Spruce Hill Earthworks
Middle Woodland / Late Woodland debated · Hopewell tradition or Fort Ancient tradition
Hilltop stone-walled enclosure 42 ha above Paint Creek; Hopewell vs Fort Ancient debate.
🇺🇸 United States · Earthwork
Liberty Earthworks
Middle Woodland Hopewell 100–350 CE · Hopewell tradition
Hopewell square 320 m with corner circles and Liberty Mound, Chillicothe cluster component.
🇺🇸 United States · Earthwork
Cedar-Bank Works
Early to Middle Woodland (1000 BCE–300 CE) · Adena – early Hopewell
Paired Adena (1000–100 BCE) and Hopewell-era enclosures on left bank of Scioto 5 mi north of Chillicothe: large 350-m-diameter circular enclosure (12 ac) with interior ditch and 1.5 m embankment plus…
🇺🇸 United States · Earthwork
Barnes Works
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell
Immense Hopewell enclosure 12 ha west of Bainbridge: square (280 m side) attached to circle (320 m diameter) via parallel walls, with ditch-and-embankment 1.5 m high.
🇺🇸 United States · Earthwork
Junction Group Earthworks
Middle Woodland Hopewell (100 BCE–500 CE) · Hopewell tradition
Unusual Hopewell (100 BCE–500 CE) enclosure complex at confluence of Paint Creek and North Fork, comprising nine geometric elements—four circles, two squares, crescents and parallel walls—covering 26…
🇺🇸 United States · Earthwork
Baum Village and Works
Middle Woodland Hopewell (50 BCE–350 CE) · Hopewell (Baum phase)
Hopewell rectangular enclosure (120×110 m, 1.3 ha) with habitation village overlapping embankments atPaint Creek terrace—rare instance where Hopewell domestic occupation directly associated with…
🇺🇸 United States · Earthwork
Hopeton Earthworks
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell tradition
Hopewell 22 ha circle-square with 321 m Great Circle, UNESCO 2023 unit-of-measure type-site.
🇺🇸 United States · Earthwork
Pollock Works Earthworks
Middle Woodland Hopewell (200 BCE–300 CE) · Hopewell
Hopewell enclosure pair on Scioto River terrace 9 km southwest of Chillicothe: large sub-square 160×140 m (3 ha) with 1.2 m embankment and interior ditch, conjoined at corner to 80 m diameter circle…