ROCKY MOUNTAD^ 



SYSTEM 



1. Beavermouth 



2. Golden 



3. Harrogate 



4. Brisco 



5. Sinclair 



6. Lake Windermere 



7. Columbia Lake 

 Canal Flats 



9. Fort Steele 



10. Cranbrook 



11. Bull River 



12. Elko 



13. Gateway 



Pleistocene 



Mississippian 



Devonian 



Upper Ordovician 



Lower Ordovician 



Upper Cambrian 



Pre-Cambrian & Cambrian 



Scale I "= 20 mi. 

 Fig. I. — South portion of the Rocky Mountain Trench 



