Looking down Tyndall Glacier. Above, 1938, below, 1939. Photographs made from same point on headwall above glacier. In upper photo, notice the extended "lobe" at center, which was measured front in 1938. Lower photo shows meltage of this forward portion, with resultant heavy debris cover over the same area. Greater surface stream activity is evident below; page 39MA-P17 (above). Rocky Mountains, South.
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Looking down Tyndall Glacier. Above, 1938, below, 1939. Photographs made from same point on headwall above glacier. In upper photo, notice the extended "lobe" at center, which was measured front in 1938. Lower photo shows meltage of this forward portion, with resultant heavy debris cover over the same area. Greater surface stream activity is evident below; page 39MA-P17 (above). Rocky Mountains, South.
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