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Fig. 5 Generalized map of snowmelt in DISCHMA-VALLEY, spring I960. 
Legend: (l) Snowline (separating 87 snowfree from 12 fo snowcovered area) of May 14th, I960 
(2) Snowline of May 31st, I960 
( 3 ) Snowline of June 22nd, I960 
( 4 ) Area snowfree before May 14th, I960 
( 5 ) Area becoming snowfree between May 14th and May 31st, I960 
(6) Area becoming snowfree between May 31st and June 22nd, I960 
( 7 ) Area still snowcovered after June 22nd, I960 
(interpretation by Urs WALDER, M.A.) 
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