Features that don’t quite fit anywhere else on our site, but definitely deserve recognition is what Terts & Quats is all about.  The phrase derives from tertiary features (Terts) and fourth-importance (quaternary or “Quats”) articles found in publications.  Here, it’s just “everything else” and is just as good as the other stuff on Four Rivers Explorer.

Read more about the article Wickliffe Mounds
An artifact on display at Wickliffe Mounds State Historic Park.

Wickliffe Mounds

Nearly 1,000 years ago, Native Americans settled on a large hill overlooking the confluence of the Ohio and Mississippi Rivers.  With no writings, the history of the people is not…

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Read more about the article Fort Defiance Park
Fort Defiance Park, where the Mississippi and Ohio rivers converge.

Fort Defiance Park

Fort Defiance Park in Cairo, Illinois, marks one of the world’s most important river confluences – the Ohio and Mississippi.  On a typical day, 4.4 million gallons of water merge…

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