Plate XI. Tyndall Glacier. Left: 1940, Below: 1942 (No 1941 photos possible.) North edge of Tyndall Glacier from Station X' point made from which tapeline measure is made. Dotted line on 1940 photograph shows approximately the measurement line to nearest distuinguisable ice; comparable line idicates position of front as measured in 1940 with reference to the snow overlay in 1942. Distuinguisable rocks are identified to assist comparison of condition of the main body of the glacier; page 42MA-P20 (below). Rocky Mountains, South.
description
Plate XI. Tyndall Glacier. Left: 1940, Below: 1942 (No 1941 photos possible.) North edge of Tyndall Glacier from Station X' point made from which tapeline measure is made. Dotted line on 1940 photograph shows approximately the measurement line to nearest distuinguisable ice; comparable line idicates position of front as measured in 1940 with reference to the snow overlay in 1942. Distuinguisable rocks are identified to assist comparison of condition of the main body of the glacier; page 42MA-P20 (below). Rocky Mountains, South.
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