Columbia subject headings:
Infrastructure (Economics)--United States.
Local government--United States.
Public investments--United States.
United States--Rural conditions.
Harvard subject headings:
Infrastructure (Economics)--United States.
Local government--United States
Public investments--United States.
United States--Rural conditions.
Princeton subject headings:
Infrastructure (Economics)--United States.
Local government--United States.
Public investments--United States.
United States--Rural conditions.