The research team discovered tools at the Belson site that were made with a type of stone known as chert. The stone is from what is now western Kentucky, which is 400 miles away from the campsite.

Fort McCoy has archaeological sites within its boundaries that represent more than 10,000 years of history.Most of the artifacts from those sites ...

Also of Green River Formation chert, this artifact is similar to other Clovis blades. Flaked from a stone core carried as source material, blades were fashioned into knives, scrapers, and other tools.