What is the name of the culture cultivated in the area of Duncan Farm and Golden Eagle?
Duncan Farm (Grafton, Illinois): Duncan Farm is an archaeological site located on a farmstead south of Illinois Route 100 in Jersey County, Illinois, near the city of Grafton. Hopewell tradition: The Hopewell tradition (also called the Hopewell culture) describes the common aspects of the Native American culture that flourished along rivers in the northeastern and midwestern United States from 200 BC to 500 AD, in the Middle Woodland period. Hopewell tradition:  They were connected by a common network of trade routes, known as the Hopewell exchange system.
i don't know