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9 October 2022

Lyman Glacier Lost Half its area from 1979-2022

Map illustrating changes in Lyman Glacier 1890-2017- losing 87% of its area. Lyman Glacier which feeds into Lyman Lake and then Railroad Creek in the Lake Chelan drainage of the North Cascade Range, Washington has retreated a total of 1330 m from the 1890 moraine. In 1929 year the terminus position was mapped by the Washington Water Power Company. The Washington Water Power Company emplaced a benchmark from which to …

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