FOOTSTEPS : WALLACE STEGNER 'S MEXICO Correction : October 1 , 2006 , Sunday The Footsteps column on Sept. 17 about Morelia , Mexico , a town used as a setting for part of Wallace Stegner 's novel '' Angle of Repose , '' misstated the position in the Roman Catholic Church held by Don Vasco de Quiroga , the subject of a statue in the town .