The two mounds on the site were built between 1200 and 1500 AD in the Mississippian Period.
12.
The late Mississippian period envelopes better known tribes encountered by the French, English, and Spanish conquerors.
13.
The artifact was created during the Mississippian Period and excavated near Peoria, Illinois in the late 1850s.
14.
Additionally, the Pocono Formation, a rock formation from the Mississippian Period, occurs on the mountain.
15.
This sea-level drop and the associated unconformity in North America separate the Mississippian Period from the Pennsylvanian period.
16.
The upper reaches of Crooked Run are on rock of the Pocono Formation, which dates to the Mississippian Period.
17.
It started during the Mississippian Period, during which the entire Black Hills area was covered by a large inland sea.
18.
It is noted for its large main entrance and the extensive archeological artifacts of the Woodland and Mississippian periods found inside.
19.
The final prehistoric inhabitants were Mississippian Period Indians ( 900 to 1400 ) who lived in scattered farmsteads and cultivated corn and squash.
20.
In 1940, University of Tennessee archaeologists excavated a substantial Mississippian periods, although the population had dwindled considerably by the 17th century.
