Cordero Channel Chart CHS 3543
Cordero Channel Chart CHS 3543. Published by the Canadian Hydrographic Service. Includes East Thurlow Island, Sonora Island, West Thurlow Island, Johnstone Strait, Nodales Channel, Frederick Arm, Phillips Arm, Mayne Passage, Chancellor Channel, and Loughborough Inlet.
Corrected to Notice to Mariners: 9/3/2010