[MACKENZIE] HISTORICAL AND STRUCTURAL GEOLOGY 



125 



t/3 C " OJ C 



.t:-j2 h c ca 



X 



rt 



'^ CO <v 

 - *-' - i>, 



-^ g ^«=^ 





I, .i; +-I en -3 



rrt U3 W) -M nj 



*-' (11 ^1 3 



