Photostory #149: Canada's Mountain Search and Rescue School: Rugged Workout in the Rockies
National Film Board of Canada
March 18, 1958
Canadian Museum of Contemporary Photography fonds, National Gallery of Canada Library and Archives
One of the grave hazards which stalks any mountain climbing expedition is the danger of falling into a crevasse. Above, two Park Wardens demonstrate the proper technique for helping a trapped climber reach the surface.