Name some US cities and their regions.
Chicago
--Appalachian
philadelphia
--?
pittsburgh
--Plateau
saint louis
--Plains
Detroit
--?
Whoa! You just moved my hometown, Chicago, about 1,000 miles.
Which regions are you considering? What are their names?
The physical regions, like Prairies, interior, plateau, rockies, coast mountain, tundra, plains, Can. Shield. etc.
Which regions are you using for the United States? Obviously we do not have the Canadian Shield. But we have other regions that you haven't mentioned. And what about the Great Lakes and Northeastern regions?
What regions does your book use for the U.S.?