Describes the evolution of transportation routes and transportation methods in Pima County throughout time, and the effect that modes of transportation have had on the size and form of the community. Stage, freight, and railroad transportation followed the main historic corridors established by previous cultures and technologies.

Letter from J. V. Lloyd to Carl Hayden with an attachment of local opinions of the Army and Technical Services as to why the Civilian Conservation Corp companies should be maintained, continuously, at full strength.