Natural Resources Canada (NRCAN) has a nice online resource where visitors can access a digital archive of the Atlas of Canada.
Maps dating back to 1906 are available as scanned digital files, or can be viewed online using a handy web map viewer. Made up of over 1,000 maps, the archive include all five past editions of the Atlas of Canada, 1906 to 1995, the Canadian sector of the International Map of the World, 1956 to 1987, and the first Glacier Atlas of Canada, 1969 to 1972. Topics of maps include maps themed on: Population, culture, aboriginal peoples, economics, transportation, environment, and historical themes. Scanned maps are available as a high-res PDF or JPG download, typically 1-3 MB in size
Lighthouses and sailing routes, 1915