🇺🇸 United States · Earthwork
Turner Group Earthworks
Middle Woodland Hopewell 100–400 CE · Hopewell tradition (Turner phase)
Hopewell enclosure-mound group source of copper effigies and mica tombs on Little Miami terrace.
🇺🇸 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
Toolesboro Mounds
Middle Woodland Hopewell 200 BCE–500 CE · Hopewell (Havana Hopewell)
Iowa's premier Hopewell center: 7 surviving mounds (originally 12) including large conical Mound 2 (8 m high) and linear Mound 7 on blufftop above Iowa-Mississippi confluence.
🇺🇸 United States · Earthwork
Pharr Mounds
Middle Woodland Miller culture contemporary with Hopewell 1–400 CE · Miller (Hopewell-influenced eastern Woodland); Hopewell
Eight low dome mounds (2–6 ft high) at Natchez Trace Milepost 286.7, best-preserved Middle Woodland mound group in northeast Mississippi.