Assertion: mound's population | /r/HasProperty | the adena
Facets:
Source sentences:
text: The Serpent Mound is not a burial mound, though there are burial mounds nearby, from two different native populations, the Adena, who lived in Ohio from roughly 800 B.C. to A.D. 100, and the Fort Ancient, who lived here a thousand years later, from 1000 to 1650.