Moat and cliff of stratified ice at Sperry Glacier. Glacier National Park, Montana. 1936.
Dates
Date Taken
1936
Summary
Moat and cliff of stratified ice, about 150 feet high, at the northeast margin of Sperry Glacier; rock cliff at the left. Glacier National Park, Montana. July 25, 1936. Figure 42, in U.S.Geological Survey Professional paper 231. 1953.
Summary
Moat and cliff of stratified ice, about 150 feet high, at the northeast margin of Sperry Glacier; rock cliff at the left. Glacier National Park, Montana. July 25, 1936. Figure 42, in U.S.Geological Survey Professional paper 231. 1953.
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