PHOTOS: Before and after photos of North America's vanishing glaciers

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Friday, April 10, 2015
Muir Glacier melt, Alaska pictured at 1891, left, and 2004, right.
Muir Glacier melt, Alaska pictured at 1909, left, and 2004, right.
Shrinking glacier, Yosemite National Park pictured at 2009, left, and 2014, right.
Decker Glacier at Whistler in 2006, left, and 2014, right.
BEFORE: McCarty Glacier melt, Alaska pictured at 1909.
AFTER: McCarty Glacier melt, Alaska pictured at 2004.
BEFORE: Toboggan Glacier melt, Alaska pictured at 1909.
AFTER: Toboggan Glacier melt, Alaska pictured at 2000.
BEFORE: Pedersen Glacier melt, Alaska pictured at 1917.
AFTER: Pedersen Glacier melt, Alaska pictured at 2005.
BEFORE: Arapaho Glacier melt, Colorado pictured at 1898.
AFTER: Arapaho Glacier melt, Colorado pictured at 2003.
BEFORE: Decker Glacier at Whistler in 2006.
AFTER: Decker Glacier at Whistler in 2014.
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PHOTOS: Before and after photos of North America's vanishing glaciersMuir Glacier melt, Alaska pictured at 1891, left, and 2004, right.
Ulysses William O. Field/NASA - Bruce F. Molnia/NASA via ABC News