(Map of 1570) BOILEAU DE BOUILLON (Gilles) - Sabaudiae, et Burgundiae comitatus descriptio et Galliae Narbonensis ora marittima, (1570) 41.6 x 55 cm, view 29.5 x 21.8 cm. From Theatrum by Abraham Ortelius, 1570. The two major Val d'Aoste passes are clearly indicated: Petit and Grand S. The Petit and Grand S. Bernard passes form a continuity of molehills where Mont Blanc should be.