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This tool is used to search all active Notices to Mariners Chart corrections (Section II only).

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2077 - Lake Ontario/Lac Ontario (Western Portion/Partie Ouest) - New Edition - 2020-07-17 - NAD 1983

No notices for chart 2077 between the selected dates: 1995-01-01 and 2020-01-01.

Canadian Hydrographic Services (CHS) list of replaced and withdrawn charts.