Other early sites with smaller assemblages but potentially domesticated seeds include Newt Kash Hollow rock shelter in eastern Kentucky (3300 cal BP); Riverton, eastern Illinois (3600-3800 cal BP); Napoleon Hollow, central Illinois (4400 cal BP); the Hayes site in central Tennessee (4840 cal BP); and Koster in Illinois (ca 6000 cal BP). In sites more recent than 3000 cal BP, domesticate sunflowers are frequent occurrences.