lower mississippi periods lower yazoo phases lower yazoo
dates tensas/natchez phases cahokia phases cahokia dates ohio/miss. river
confluence phases ohio/miss. dates
lower mississippi periods
lower yazoo phases
lower yazoo dates
tensas\\/natchez phases
cahokia phases
cahokia dates
ohio\\/miss . river confluence phases
ohio\\/miss . dates
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<n, text> text timespan <f, text> <n, text> timespan <n, text> <n, timespan>
historic russell 1650-1750 ce tensas / natchez vacant
quarter 1350 ce -
european contact jackson 1500-1650 ce
how many cahokia phases were there ?
WRB JJ NNP NNS VBD-AUX EX .
9
select count ( distinct c5 ) from w