Archaeological research shows Cahokia’s Monks Mound was enlarged in multiple stages using basket-transported soil and clay, with dark, organic, artifact-rich midden material in the basal fill. The video argues that some differently colored clay layers were imported from as far as 150 miles away and presents the construction record as evidence of an organized society with division of labor.
For comparison, Poverty Point has six C-shaped concentric ridges around a central plaza—not seven—and was used from about 1700 to 1100 BCE. It shows specialized craft activity, but the cited record does not establish copper processing there.
Sources
independent.academia.eduLinked in video description
Poverty Point World Heritage Sitelastateparks.comThe central construction consists of six rows of concentric ridges, parts of which were as high as five feet. The ridges form a semi-ellipse or C-shape,
Poverty Pointen.wikipedia.orgThe earthworks include six concentric, C-shaped ridges that extend to the edge of the Macon Ridge and several mounds outside and inside of the earthen ridges.
The complex construction history of Poverty Point's timber ...tandfonline.comby ML Hargrave · 2021 · Cited by 20 — Poverty Point's enigmatic concentric ridges are arguably its most distinctive architectural characteristic. The contemporary ridges that we see ...
Poverty Point, Louisianasmarthistory.orgThe sculpted concentric ridges that are unique to Poverty Point are low to the ground and spread out over a mile in length. Today they are worn down by time
Monumental Earthworks of Poverty Pointwhc.unesco.orgThe complex comprises five mounds, six concentric semi-elliptical ridges separated by shallow depressions and a central plaza.
History & Artifacts of Poverty Point | Explore Louisianapovertypoint.usNothing else like Poverty Point's six C-shaped earthen ridges existed in the ancient world. ... Its concentric half-circles, measuring 4 to 6 feet high in ...
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