This collection is a legacy product that is no longer supported. The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political boundaries, hydrography, bathymetry, sea ice and...
The C/X-SAR can provide imagery of all classes of terrain, ocean, or ice scenes. The imagery can be compared easily with mapped information. It is possible to monitor natural resources (agriculture, forestry, geology), temporal variations (urban growth, sea ice and icebergs, ocean waves and...
Natural Resources Canada
You can also access this registry using the API (see API Docs).