This document was produced 
by scanning the original publication. 
Ce document est le produit d'une 
numerisation par balayage 
de la publication originale. 
Museum Bulletin No. 18. Plate f. 
A 
A. Laurentian escarpment south of Kings mountain, Que. 
B. Lowland plain north of Quyon, Que., with Laurentian Plateau escarp- 
ment in the distance. 
Laurentian Plateau escarpment north of Breckenridge, Que, 
C. 
