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The most appropriate dataset to use for EGIS would be from Canada Open Data REST service as it does not require periodic updates.
The Canada Open Data REST service has a minimum display scale of 1:290,000. This means that it cannot be used in maps above the scale of about a metropolitan area. A request has been submitted to GeoInfo (NRCan) to update the service to allow it to be used at smaller scales.
Process for EGIS integration
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