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Glaciers

All images and text courtesy U.S. Geological Survey and Glacier National Park.

<< 11/12 < > Glaciers have been likened to mighty rivers of ice. Although they move many times more slowly, glaciers have equivalent changes in flow rate and often form falls of fast-moving ice above slow-moving ice pools. Glaciers flow faster down their centers than at ice margins, and more quickly at the surface than at the bed.

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