Chart Number: 7552 S-57 ENC Number: CA473493 Magnetic Variation: the magnetic compass is useless in this area. See Notices to Mariners for subsequent corrections on this chart and Notices to Shipping in force for hazards or changes essential for the safety of navigation. © Fisheries and Oceans Canada 2019 / Pêches et Océans Canada 2019. Published by the Canadian Hydrographic Service / Publié par le Service hydrographique du Canada. A licence is required from the Canadian Hydrographic Service (www.charts.gc.ca) to reproduce or distribute this work. La reproduction et la distribution de ce produit sont sujettes à l’obtention d’un permis octroyé par le Service hydrographique du Canada (www.charts.gc.ca).