A snow bridge is an arc formed by snow across a crevasse, a crack in rock, a creek, or some other opening in terrain. It is typically formed by snow drift, which first creates a cornice, which may then grow to reach the other side of the opening.
A snow bridge is an arc formed by snow across a crevasse, a crack in rock, a creek, or some other opening in terrain. It is typically formed by snow drift, which first creates a cornice, which may then grow to reach the other side of the opening.
Source: Wikipedia "Snow bridge" · CC BY-SA 4.0
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