Columbia Icefield, Canada

Jack and Isabel Bain from Brisbane, Queensland, Australia did a round the world post retirement trip in 1966. These photographs shows Jack and Isabel Bain on the Columbia Icefield in October 1966. The Columbia Icefield is the largest ice field in North America's Rocky Mountains. Located within the Canadian Rocky Mountains astride the Continental Divide along the border of British Columbia and Alberta, Canada, the ice field lies partly in the northwestern tip of Banff National Park and partly in the southern end of Jasper National Park.It is about 325 square kilometres (125 sq mi) in area, 100 metres (330 ft) to 365 metres (1,198 ft) in depth and receives up to 7 metres (280 in) of snowfall per year. (Wikipedia