Columbia subject headings:
Information networks--Economic aspects--United States.
Rural development--United States.
Rural telecommunication--United States.
Telecommunication--Economic aspects--United States.
United States--Rural conditions.
Harvard subject headings:
Information networks--Economic aspects--United States.
Rural development--United States
Telecommunication--Economic aspects--United States.
United States--Rural conditions.
Princeton subject headings:
Information networks--Economic aspects--United States.
Rural development--United States.
Telecommunication--Economic aspects--United States.
United States--Rural conditions.