of Alexander, Pulaski, Union, Johnson, Massac and nearby counties Southernmost Illinois is where Illinois' European era history began. The Land Between the nation's two largest Rivers - Massac, Pulaski, Johnson, Pope, Alexander and Union counties - was prominent in the earliest activities. Many do not realize its nationally significant history. The crescent shaped section of the Ohio River between Metropolis and Cairo was one of the busiest "interstate highways" of the 1700s and 1800s, carrying settlers and their belongings westward and farm products to market.
Southernmost Illinois is south of Route 13. It's landform is (mostly) gentle hills, with some interesting bluffs to climb, where the southernmost glacier stopped, and a finger of the Gulf of Mexico once touched. It is included in an effort to create Land Between the Rivers National Heritage Area. - more.
B.C. - Tropical rain forest climate, a mile-high glacier, continents pulling apart, dinosaurs, earthquakes, rerouting of large rivers Mississippian era - (900-1550 A.D.) - A large manufacturing and export business. The moundbuilders' odd communities were here. Explorers - (1550-1850)
East of Grand Chain, near the top of the Ohio River crescent, was Cantonment Wilkinsonville, established by General Wilkinson who was involved in the Aaron Burr Conspiracy. An encampment and not a fort, in 1801-02, Cantonment Wilkinsonville was the largest military post in the United States, with nearly half the U.S. Army stationed there until ordered closed by President Jefferson. Along the crescent, somewhere between Mound City and the Post Creek Cut-off, 100 years earlier, when buffalo were at home on Southernmost Illinois ranges, a buffalo hide tanning operation operated with the blessing of the King of France. Legends persist about local tribes sounding discouraging words and taking action. Other documents indicate that disease made the operation short-lived.
20th century+ (1900s - forward)
Researchers of Southernmost Illinois History can find help at Southern Illinois University's Morris Library Special Collections and the Cairo Public Library. A very detailed, attractive map of the area from Rt. 13 south, river-to-river, is available for a few dollars from Shawnee National Forest offices. Ohio River Valley History
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