IITHSONIAN MISCELLANEOUS COLLECTIONS 



76, NO. 5. PL. 85 



Cliffs of Camhrian linu-stdiu's <in tin- cast side of SifHeur Rivt-r opiiositi- Mount Sedgwick. Lower (.■ainhriaii quartzitic sandstones occur at the ba^ of tlie norllKin clilN iKi 

 formations. Arctomys, Sullivan, and I.yell, and on the right in the higher cliffs, probably the Mons formation. 



Locality'. — M I) on map, plate 20. East side of SifHeur River about 3.5 miles (5.6 km.) southeast of Saskatchewan River, and 40 miles (64.4 km.) in an air line north. 12° 



iiul ah. IV, lluiii tiK- .MiiUlk I .milirian Cathedral and Murchison limestones, and the Upper Cambrian 

 St. of Lake Louise Station, .\lberta. 



