Columbia subject headings:
Land use--India--Nilgiri Biosphere Reserve--Maps.
Nilgiri Biosphere Reserve (India)--Maps.
Phytogeography--India--Nilgiri Biosphere Reserve--Maps.
Harvard subject headings:
Land use--India--Nilgiri Biosphere Reserve--Maps.
Nilgiri Biosphere Reserve (India)--Maps.
Phytogeography--India--Nilgiri Biosphere Reserve--Maps.
Princeton subject headings: