Original metadata (https://data.ontario.ca/fr) (French, HTML)

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Publisher-reported update

2026-03-25

Data has been collected primarily using a depth measurement device, such as an echo-sounder, in combination with a Global Positioning System (GPS) for horizontal positioning. Other survey methods, such as bathymetric LiDAR may also have been used. The survey method used in each body of water is shown in the Bathymetry Index.

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