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Datasets / Integrated Water Level System (IWLS)- Great Lakes and St. Lawrence River and Gulf

Web services offered by the Canadian Hydrographic Service

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https://www.marees.gc.ca/fr/services-web-maintenant-offerts-par-le-service-hydrographique-du-canada

This resource describes the web services offered by the Canadian Hydrographic Service (CHS) for accessing hydrographic data.

FormatHTML
ProtocolWWW:LINK
Last updated2026-07-31
Created2026-05-05