Columbia subject headings:
Conservation of natural resources.
Human ecology.
Land use--Planning--Case studies.
Land use--Planning.
Landscape architecture.
Harvard subject headings:
Conservation of natural resources.
Human ecology.
Land use--Planning
Land use--Planning--Case studies.
Landscape architecture
Princeton subject headings:
Conservation of natural resources.
Human ecology.
Land use--Planning--Case studies.
Land use--Planning.
Landscape architecture.