<Li> Kincaid Site: A major Mississippian mound center in southern Illinois across the Ohio River from Paducah, Kentucky . </Li> <Li> Moundville: Ranked with Cahokia as one of the two most important sites at the core of the Mississippian culture, located near Tuscaloosa, Alabama . </Li> <Li> The Parkin Site: The type site for the "Parkin phase", an expression of Late Mississippian culture, believed by many archaeologists to be the province of Casqui visited by Hernando de Soto in 1542 . </Li> <P> The term South Appalachian Province was originally used by W.H. Holmes in 1903 to describe a regional ceramic style in the southeast involving surface decorations applied with a carved wooden paddle . By the late 1960s archaeological investigations had shown the similarity of the culture that produced the pottery and the midwestern Mississippian pattern defined in 1937 by the Midwestern Taxonomic System . </P>

What are the tribes of the mississippi river valley best known for