QU' APPELLE-The Valley that Calls A brave’s legendary answer to the dying sighs of an Indian maiden named the lake-linked Saskatchewan valley that refreshes the prairies. But now the ghosts are hidden by shoulder-high crops, hustling ranches, a score of youth camps and summer cottages with names like Linger-Longer March 15 1952 MARJORIE WILKINS CAMPBELL QU' APPELLE The Valley that Calls A brave’s legendary answer to the dying sighs of an Indian maiden named the lake-linked Saskatchewan valley that refreshes the prairies. But now the ghosts are hidden by shoulder-high crops, hustling ranches, a score of youth camps and summer cottages with names like Linger-Longer