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willows or aspens eagerly follow outward and 

 cover long before water is displaced from the 

 remainder of the lake's rock-bound shores. With 

 many, the lower end of the basin, shallow from 

 the first, is filled with sediment and changed to 

 meadow, while the deep upper end lies almost 

 unchanged in its rock basin. Now and then a 

 plunging landslide forms an island, on which the 

 spruces and firs make haste to wave triumphant 

 plumes. Lake Agnes on the northern slope of 

 Mt. Richthofen was formed with a rounded 

 dome of glaciated rock remaining near the 

 centre. This lake is being filled by the slow in- 

 flow of a "rock stream." 



Landslides, large and small, often plunge into 

 these lakes. One of the largest rock avalanches 

 that I ever saw made one wild leap into Chasm 

 Lake and buried itself. This was about the 

 middle of June. This glacier lake is on the east- 

 ern side of Long's Peak and is in a most utterly 

 wild place. The lake was still covered with 

 thick ice, and on the ice the snow lay deep. But 

 spring was melting and loosening things in the 

 alpine heights. As I stood on a talus slope above 



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