Assertion: pelican's site | /r/HasProperty | dated to 5600–5000 bp
Facets:
value: securely
type: MANNER
Source sentences:
text: The Middle Archaic sites of Caney and Frenchman's Bend have also been securely dated to 5600–5000 BP (3700–3100 BC), demonstrating that seasonal hunter-gatherers organized to build complex earthwork constructions in present-day northern Louisiana.