BLACKADAR, R. G. Scenic Wonders of Canada— An Illustrated Guide to our Natural Splendors. Geoscience Canada, [S. l.], v. 4, n. 1, 1977. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/2988. Acesso em: 7 may. 2024.