Columbia subject headings:
San Francisco Bay Area (Calif.)--Economic conditions.
Harvard subject headings:
Express highways--California--San Francisco Bay Area--Maps.
Land use--California--San Francisco Bay Area--Maps.
Reclamation of land--California--San Francisco Bay Area--Maps.
Regional planning--California--San Francisco Bay Area--Maps.
San Francisco Bay Area (Calif.)--Economic conditions.
San Francisco Bay Area (Calif.)--Population--Maps.
Princeton subject headings: