Columbia subject headings:
Harvard subject headings:
Darjeeling (India : District)--Maps.
Landslides--India--Darjeeling (District)
Landslides--India--Sikkim.
Sikkim (India)--Maps.
Princeton subject headings:
Landslides--Himalaya Mountains Region.
Landslides--India--Darjeeling.
Landslides--India--Sikkim.