CA573404 - TRAP ROCK Canadian Hydrographic Service Central and Arctic Region CAEA3404.TXT PRIVATE NAVIGATIONAL AIDS All navigational aids are privately maintained. The positions for the charted buoys were surveyed in 2000. Mariners are advised to use caution when navigating in this area. © Fisheries and Oceans Canada 2012. Published by the Canadian Hydrographic Service. A licence is required from the Canadian Hydrographic Service (www.charts.gc.ca) to reproduce or distribute this work.