
1) Mound in Ohio
Found on
https://www.crosswordclues.com/clue/junction-group

The Junction Group is a site of earthworks located two miles southwest of Chillicothe, Ohio in the United States. The earthworks are associated with the Hopewell tradition. The site has been described as `unusual` by contemporary archaeologists. Excavations in the early 19th-century state that the site was not for fortification, but was used for.....
Found on
http://en.wikipedia.org/wiki/Junction_Group
No exact match found.