GLACIATION OF WRANGELL MOUNTAINS 



35 



beyond the edge of the great ice-cap, there are numerous localities 

 where the elevation is sufficient to start small glaciers. Small ice- 

 tongues of this type occur between the Copper and Nabesna 

 glaciers, and in the mountains east of the upper Nabesna River. 



^: 



Fig. I. — Map of a part of the Wrangell and Nutzotin mountains, Alaska. The 

 existing glaciers are shown by the broken lines; the dotted areas show the distribution 

 of the Quaternary deposits. The line of dashes indicates approximately the northern 

 limit to which earlier glaciers reached. Compiled from published and unpublished 

 maps of the U. S. Geological Survey. 



ST. ELIAS MOUNTAINS 



Second in importance in the region h'" . discussed to the Mount 

 Wrangell distributing center, is the ice-cap which occupies the 

 St. EHas Mountains, south of the White River. Little is known of 

 this ice-field, except along its northern border. As far as can be 



