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Harrison Glacier

Glacier in Glacier NP, Rocky Mountains near Lake McDonald Hotel, MT

Harrison Glacier has diminished in area by 19% from 1966 to 2015.

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Glacial Area

████████ 2,059,377 m² (1966)

███████ 1,846,233 m² (1998)

███████ 1,697,714 m² (2005)

██████ 1,661,457 m² (2015)

(source: USGS)

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Harrison Glacier is located in the US state of Montana in Glacier National Park. Situated on a southeast facing ridge immediately south of Mount Jackson, Harrison Glacier is the largest glacier in Glacier National Park and was estimated in 2005 to have an area of 466 acres (1.89 km2). Though many experts have stated that all the glaciers in Glacier National Park may disappear by the year 2030, Harrison Glacier lost only 9 percent of its surface area in the 40-year period between 1966 and 2005 and will likely still exist well beyond 2030. Compared to many of the vanishing glaciers in Glacier National Park, Harrison Glacier has a much higher altitude accumulation zone (approximately 9,000 feet (2,700 m)) which has allowed it to maintain some equilibrium in its glacier mass balance. Comparing…

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Glacier