GLACIAL ACTION— THE ASAR. 



91 



The best-known Scandinavian As is the long chain which, under divers names — 

 Brunkebergs as, Lângâsen, and so on — extends for a distance of 60 miles, from the 

 Baltic coast south of Stockholm to the neighbourhood of TJpsala. Between the 

 sea-coast and Lake Wetter, near Askersund, there are no less than eight main 



Fig. 46. — AsAK, IN THE Dal River Basin. 

 Scale 1 : 170,000. 



Forest.s strewn -with erratic blocks. 

 ^-^—^.^-^^ 2 Miles. 



âsar, besides their various secondary ramifications, and amongst them are scmo 

 considerably longer than that of Brunkeberg. The traces of another may be 

 followed for 180 or 200 miles northwards, from the shores of Lake Malar, 

 near Enkoping, while others form natural embankments across the lakes, 



