Between 900-1200 A.D., many Native Americans lived in the Mississippi Valley. They constructed earthen mounds throughout the valley, leading many to identify them as the “mound builders”. This panel pictures residents greeting the morning sun as it rises over the great river. Also pictured in this panel is Spanish explorer,Hernando Desoto (1500?-1542) who was the first European to explore the wide Mississippi River Valley in the 1540’s. -Old Town Cape.