MOSES COULEE — For six days, the four teenager girls walked around the shrub-steppe lands without seeing anything interesting at their feet.
Add archaeologist Powys Gadd to the scene and artifacts seemed to pop up everywhere.
“Chief Moses himself might have been on this very spot,” Gadd said. “I think that’s kind of cool to think about.”
On Friday, the U.S. Forest Service archaeologist took the girls on a walking tour of the site where Indians once spent…