Falls at Yellowstone

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The 308-foot Lower Falls at Yellowstone National Park may have formed because the river flows over volcanic rock more resistant to erosion than the downstream rocks, which are hydrothermally altered. The 109-foot Upper Falls flows over similar rocks. 

Lower Falls
Upper Falls

One thought on “Falls at Yellowstone”

  1. Pingback: Falls at Yellowstone | Enjoy and share the Inspiration and Truth of the Windows From Heaven

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