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Last updated on April 16, 2014 at 17:34 EDT

Latest Riggs Glacier Stories

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2008-10-07 08:59:38

Most glaciers in every mountain range and island group in Alaska are experiencing significant retreat, thinning or stagnation, especially glaciers at lower elevations, according to a new book published by the U.S. Geological Survey. In places, these changes began as early as the middle of the 18th century. Although more than 99 percent of Alaska's large glaciers are retreating, a handful, surprisingly, are advancing. The Glaciers of Alaska, authored by USGS research geologist Bruce Molnia,...