Ss : Se sy : CEE ‘ ;
Photo G. S. Hume Courtesy Canadian Geological Survey
‘“RoOcCK BY RIVERSIDE,’ FORT WRIGLEY, MACKENZIE RIVER
Mackenzie camped at the foot of this hill and ascended it.

Photo Charles Camsell Courtesy Canadian Geological Survey
‘“TRACKING”’ UP BOILER Rapips, ATHABASCA RIVER