A land where some streams ran with gold. A landscape nearly empty of inhabitants in the wake of Apache raids from the north. And a former desert transformed by irrigation into vast fields of wheat and cotton. This was and is the state of Sonora in northwest Mexico.

In this cultural historical geography, Robert C. West explores the dual geographic "personality" of this part of Mexico's northern frontier. Utilizing the idea of "old" and "new" landscapes, he describes two Sonoras--to the east, a semiarid to subhumid mountainous region that reached its peak of development in the colonial...