150 W. H. HOBBS REPEATING PATTERNS IN STRUCTURE OF LAND 



hold for the French Eiver^^ (see figure 26) and Trent River^'' districts in 



7' 



Figure 25. — Drainage Map of a Part of the District of Nipissing 



Showing patterned arrangement on northwest-southeast and northeast-southwest lines. 



(Ontario, 1905) 



35 Robert Bell : Report on the geology of the French River district, Ontario. Annual 

 Report of the Geological Survey of Canada, new series, vol. 9, 1896, pp. 120-121. Also 

 Bulletin of the Geological Society of America, vol. 5, 1894, pp. 357-366, pis. 15-16. 



•■"' A. W. G. Wilson : Trent River system and Saint Lawrence outlet. Bulletin of the 

 Geological Society of America, vol. 15, pp. 211-242, pis. 5-10, and drainage maps. 



