Columbia subject headings:
City planning--New York (State)
Nature conservation--New York (State)
Regional planning--New York (State)
Harvard subject headings:
Aerial photogrammetry--New York (State)
City planning--New York (State)
Land use--New York (State)--Data processing.
Natural resources--New York (State)--Inventories.
Nature conservation--New York (State)
Regional planning--New York (State)
Princeton subject headings: