Columbia subject headings:
Oleoducto de Crudos Pesados.
Petroleum industry and trade--Environmental aspects--Ecuador.
Petroleum pipelines--Ecuador--Design and construction--Sociological aspects--Case studies.
Political ecology--Ecuador--Case studies.
Harvard subject headings:
Oleoducto de Crudos Pesados.
Petroleum industry and trade--Environmental aspects--Ecuador--Mindo.
Petroleum industry and trade--Environmental aspects--Ecuador--Reventador.
Petroleum pipelines--Ecuador--Design and construction--Sociological aspects--Case studies.
Political ecology--Ecuador--Case studies.
Princeton subject headings:
Case studies.
Oleoducto de Crudos Pesados.
Petroleum industry and trade--Environmental aspects--Ecuador--Mindo.
Petroleum industry and trade--Environmental aspects--Ecuador--Reventador.
Petroleum pipelines--Ecuador--Design and construction--Sociological aspects--Case studies.
Political ecology--Ecuador--Case studies.