Columbia subject headings:
Harvard subject headings:
Environmental protection--Peru--Madre de Dios (Department)
Environmental protection--Peru--Madre de Dios (Dept.)
Human ecology--Peru--Madre de Dios (Department)
Human ecology--Peru--Madre de Dios (Dept.)
Madre de Dios (Peru : Department)--Environmental conditions.
Princeton subject headings:
Environmental protection--Peru--Madre de Dios (Dept.).
Human ecology--Peru--Madre de Dios (Dept.).
Madre de Dios (Peru : Department)--Environmental conditions.