Columbia subject headings:
Harvard subject headings:
High technology industries--Location--United States.
Regional planning--United States
Technology and state--United States--States.
U.S. states--Economic policy
United States--Economic conditions--Regional disparities.
Princeton subject headings:
High technology industries--United States--Location.
Regional planning--United States.
Technology and state--United States--States.
United States--Economic conditions--Regional disparities.