Columbia subject headings:
Environmental degradation--Colombia--History.
Human geography--Colombia--History.
Nature--Effect of human beings on--Colombia--History.
Quinine industry--Colombia--History.
Quinine industry--Environmental aspects--Colombia--History.
Harvard subject headings:
Environmental degradation--Colombia--History.
Human geography--Colombia--History.
Nature--Effect of human beings on--Colombia--History.
Quinine industry--Colombia--History.
Quinine industry--Environmental aspects--Colombia--History.
Princeton subject headings:
Environmental degradation--Colombia--History.
Human geography--Colombia--History.
Nature--Effect of human beings on--Colombia--History.
Quinine industry--Colombia--History.
Quinine industry--Environmental aspects--Colombia--History.