Trade route

Hopewell exchange

From about 100 BCE to 500 CE communities across eastern North America passed exotic materials along river routes. Lake Superior copper, Yellowstone obsidian, Gulf Coast shells and Appalachian mica reached the earthwork centres of southern Ohio, where craftsmen worked them into objects buried with the dead.

Every leg of the route, over the realms of 100 BCE, when it ran furthestRoadRiver or canal