210 Philip LaTce—Bala Lake and River Si/stem. 



Geological map of the 



VALLEY OF THE BALA FAULT 

 NEAR THE WATERS HED . 



DRIFT AND ALLUVIUM- 2^ 



SLATES ABOVE THE VOLCANIC j^^ 



RF.RIES — . i . m 



Fig. 3.— Geological Map of the Valley of the Bala Fault. 



