Plate IX. Tyndall Glacier. Above: 1940, Below: 1942 (No photos possible in 1941 due to prevailing storm.) Looking southwesterly from Flattop side across bergschrund area. Dissipation if snow overlay in 1940 contrasts with condition in 1942 when the bergschrund is barely rifted adn accreion bands hardly visible. Comparable points are identified to aid in visualizing changes from 1940 to 1942; page 42MA-P18 (below). Rocky Mountains, South.
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Plate IX. Tyndall Glacier. Above: 1940, Below: 1942 (No photos possible in 1941 due to prevailing storm.) Looking southwesterly from Flattop side across bergschrund area. Dissipation if snow overlay in 1940 contrasts with condition in 1942 when the bergschrund is barely rifted adn accreion bands hardly visible. Comparable points are identified to aid in visualizing changes from 1940 to 1942; page 42MA-P18 (below). Rocky Mountains, South.
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