﻿GEOLOGY 
  OF 
  THE 
  NORTH 
  CREEK 
  QUADRANGLE 
  

  

  71 
  

  

  Scale 
  of 
  Miles. 
  

  

  Fig. 
  10 
  Sketch 
  map 
  to 
  show 
  the 
  extent 
  of 
  Glacial 
  Lake 
  Pottersville 
  

  

  