Tyndall Glacier, Looking south across the headwalls of Tyndall Glacier, comparing conditions in 1937 and 1938. Upper photograph, 1937, with opened bergschund, and greatly dissipated snowfield. Lower photograph, 1938, with bergschund not evident, and much higher level of snow accumulation in evidence. Rocky Mountains, South.
description
Tyndall Glacier, Looking south across the headwalls of Tyndall Glacier, comparing conditions in 1937 and 1938. Upper photograph, 1937, with opened bergschund, and greatly dissipated snowfield. Lower photograph, 1938, with bergschund not evident, and much higher level of snow accumulation in evidence. Rocky Mountains, South.
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