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Help and information

Your questions and comments are important to us. Send emails to the Canadian Hydrographic Service at

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Report chart discrepancies

We want to hear from you. CHS relies on mariners to notify us when dangers to navigation are discovered, or corrections to charts and publications seem necessary. It's important to provide us with as much information as possible so we can make the changes and ensure safe navigation for all. Fill out our marine information reporting form which will automatically be sent to

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