Columbia subject headings:
Cofán Indians--Ecuador--Dureno.
Cofán Indians--Land tenure--Ecuador--Dureno.
Dureno (Ecuador)--Environmental conditions.
Oil wells--Environmental aspects--Ecuador--Dureno.
Harvard subject headings:
Cofán Indians--Ecuador--Dureno.
Cofán Indians--Land tenure--Ecuador--Dureno.
Dureno (Ecuador)--Environmental conditions.
Oil wells--Environmental aspects--Ecuador--Dureno.
Princeton subject headings:
Cofán Indians--Ecuador--Dureno.
Cofán Indians--Land tenure--Ecuador--Dureno.
Dureno (Ecuador)--Environmental conditions.
Oil wells--Environmental aspects--Ecuador--Dureno.