Kirkendall-Spring / Travertine limestone terraces of Mammoth Hot Springs in Yellowstone National Park, Wyoming, USA, June 2013.
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Kirkendall-Spring / Starry night sky over Smith Rocks State Park, Oregon, May 2013.
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Kirkendall-Spring / Soda Butte with starry nights sky, Yellowstone National Park, Wyoming, USA, June 2013.
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Kirkendall-Spring / Base of Lower Yellowstone Falls on the Yellowstone River in Yellowstone National Park, Wyoming, USA, July 2013.
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Kirkendall-Spring / Hills in the Lamar Valley, in snow, Yellowstone National Park, Wyoming, USA, February 2013.
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Kirkendall-Spring / Camp site at night above Appleton Pass in Olympic National Park, Washington, USA, August 2013.
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Kirkendall-Spring / View over the Campbell Lakes with stormy clouds at dusk, viewed from Walker Valley Overlook in Hart Mountain National Antelope Refuge, Oregon, USA, May 2013.
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Kirkendall-Spring / Snowboarders below Table Mountain in the Mount Baker Wilderness, Washington, USA. March 2013.
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Kirkendall-Spring / Close up on mountain biker's foot pedalling, in Cascade foothills, Washington, USA. April 2013. Model released.
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Kirkendall-Spring / Snowboarder descending Table Mountain in the Heather Meadows Recreation Area, Washington, USA. March 2013.
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Kirkendall-Spring / Perspective of mountain biker over handlebars, Taylor Canyon, Island In The Sky District. Canyonlands National Park, Utah, October 2012. Model released.
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Kirkendall-Spring / Trees and sea stacks silhouetted in fog at Point of the Arches in Olympic National Park. Washington, USA, August 2012.
