The Yellowstone River arriving at the Lower Falls

The Yellowstone River arriving at the Lower Falls, Grand Canyon of Yellowstone, in Yellowstone National Park, Wyoming. The reason for the colours of the rhyolite rocks is that they are oxidising, or rusting due to their iron content.

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Copyright: Dave Walsh 2014
Image Size: 3744x5616 / 14.1MB; https://www.photoshelter.com/support/license; https://www.davewalshphoto.com/contact; Wyoming Yellowstone National Park canyon grand canyon lower falls national park river united states united states of america us usa yellowstone yellowstone river
Contained in galleries: Yellowstone National Park

The Yellowstone River arriving at the Lower Falls, Grand Canyon of Yellowstone, in Yellowstone National Park, Wyoming. The reason for the colours of the rhyolite rocks is that they are oxidising, or rusting due to their iron content.