Cover Image


View/Hide Left Panel

FIGURE 19.1 The watersheds of the Salt and Verde rivers stretch in a dividing band across Arizona.

relative humidity of the preceding May and June. River flows do increase slightly during the summer monsoon season, but all save the largest tributaries go dry again during the fall. Winter pre-

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement