translate English to French: Identifiable urban centres in Figure 4.12a include Minneapolis-St. Paul, Chicago, Detroit, Cleveland, Toronto, Montreal, Kansas City, St. Louis, Cincinnati, the Washington-Boston corridor, Dallas-Fort Worth, and Atlanta.
Les agglomérations urbaines identifiables à la figure 4.12a comprennent Minneapolis-St-Paul, Chicago, Détroit, Cleveland, Toronto, Montréal, Kansas City, St-Louis, Cincinnati, le corridor Washington-Boston, Dallas-Fort Worth et Atlanta.