The Colorado River

Geographers can tell you that the one thing that most rivers and their
adjacent flood plains in the world have in common is that they have rich
histories associated with human settlement and development. This
especially true in arid regions which are very dependent upon water. Two
excellent examples are the Nile and the Tigris-Euphrates rivers which
show use the relationship between rivers and concentrations of people.
However, the Colorado River is not such a good example along most
segments of its course. There is no continuous transportation system
that parallels the rivers course,…