HILL, Patrick Arthur; BILLINGS, Dennis. Glacial Striae and Crescentic Marks in Nepean Sandstone near Ottawa. Geoscience Canada, [S. l.], v. 12, n. 3, 1985. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3420. Acesso em: 18 jul. 2024.