SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 75, NO. 5, PL. 43 



Western side of Redoubt Mountain with cliffs of Middle Cambrian limestone above, and on the south side, the upturned Lower Cambrian sandstones that are superjacent to the pre-Cambrian 

 Hector formation. (See pis. 44 and 46.) Locality.— Ahoin 5 miles (8 km.) northeast of Lake Louise Station, Alberta. 



