Shawnee National Forest Millstone Bluff Archeological Area Petroglyph Poster
One of the unique phenomena of Southern Illinois is its ruins of stone walls and forts, thought to belong to an early Mississippian Culture that thrived throughout the Midwest from 800 C.E. to 1600 C.E. Here atop a 320 foot bluff within the Shawnee National Forest is one of the best preserved settlements they left behind at Millstone Bluff Archeological Area. Abandoned for nearly 1,000 years, the area was later rediscovered by early settlers who quarried millstones from the bluffs Kinkaid limestone for their nearby grist mills. An easy 0.5 mile loop climbs the top of the bluffs to explore the prehistoric stone fort containing an expansive village site, a stone box cemetery, and one of three rock art sites discovered here.
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