Maps provide information you can't always get from a text source. Maps symbolize a particular place at a particular time. It is important to keep in mind that maps are not a mirror of reality -- the creator of a map chooses what to include and how to depict a certain place within the conventions of the cartography of the times.
The CBC Library does not have a collection of printed maps, other than a few atlases in the Reference and Oversize sections. However, there are many quality sources of digitized maps online. Here are a few librarian-favorites: