Columbia subject headings:
Land use--Virginia--Fairfax Co.
Land use--Virginia--Fairfax County.
Zoning--Virginia--Fairfax County.
Harvard subject headings:
Land use--Virginia--Fairfax County.
Zoning--Virginia--Fairfax County.
Princeton subject headings:
Land use--Virginia--Fairfax County.
Zoning--Virginia--Fairfax County.