🇺🇸 United States · Earthwork
Emerald Mound
Plaquemine Mississippian Emerald phase 1250–1600 CE · Plaquemine (Natchez)
Second-largest mound in N America, 10.7 m terraced pyramid, 1250–1600 CE.
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🇺🇸 United States · Earthwork
Plaquemine Mississippian Emerald phase 1250–1600 CE · Plaquemine (Natchez)
Second-largest mound in N America, 10.7 m terraced pyramid, 1250–1600 CE.