[S]ome histories are written on paper. Others are revealed by landscapes, rocks, bones and human memory.
Now new computer technologies and archaeological investigations in the past decade are revealing data and discoveries that have historians rethinking the early history of the Americas, including that of the Helena Valley.
“The canon (of history) is being rewritten,” said historian Nicholas Vrooman, who is also interim director of the Helena Indian Alliance.
“Much of American history can be found by looking at one place on the face of the Earth and watching it transform over time. The Helena Valley is such a place,” he said.
It's not a bad article. Much of it is summarizing Clovis, but the last bit is on the post-contact Kootenai, which I really don't know much about, I'm afraid.