References and Links has information on the map sources, bibliographic references and links to related Web sites.
Ecological Stratification Working Group. 1995. A National Ecological Framework for Canada. Report and national map at 1:7 500 000 scale. Ottawa: Agriculture and Agri-Food Canada, Research Branch, Centre for Land and Biological Resources Research; and Hull: Environment Canada, State of the Environment Directorate, Ecozone Analysis Branch.