About 300 million years ago A different oscillating sea lined the realm abandoning layers of shale and limestone. Then, about 1,000,000 yrs ago, glaciers moved down in the north. The Kaw River roughly parallels the southernmost idea of The latest glacier, which protected most of North The us about 600,000 https://shanesfsbn.blogthisbiz.com/35687116/kaws-moon-rock-an-overview