 The now-submerged Icehouse Bottom site was occupied by Native Americans as early as 7500 B.C., and the now-submerged Rose Island was home to a significant Woodland period (c. 1000 B.C.– 1000 A.D.) settlement.A substantial Mississippian period (c. 1000–1600 A.D.) village was located at Toqua, immediately south of Vonore.