Disponible en français.

Published by authority of
the Minister of the Environment
Minister of Supply and
Services Canada 1987

QS-9056-000-EE-A1
R62-237/1987E
ISBN 0-662-15217-4

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Cover photo: Climbers silhouetted against the Yoho Glacier Upper Yoho Alpine Club of Canada, 1914, Courtesy of: The White Museum of the Canadian Rockies. Banff The Byron Harmon Collection.

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