Columbia subject headings:
Coasts--United States--Statistics.
Planned communities--United States--Statistics.
Population density--United States--Statistics.
Harvard subject headings:
Building permits--United States--Statistics.
Coastal zone management--United States--Statistics.
Coasts--United States--Statistics.
Construction industry--United States--Statistics.
Planned communities--United States--Statistics.
Population density--United States--Statistics.
Real estate development--United States--Statistics.
Princeton subject headings:
Building permits--United States--Statistics.
Coastal zone management--United States--Statistics.
Construction industry--United States--Statistics.
Real estate development--United States--Statistics.
Statistics.