Columbia subject headings:
Argentina--Boundaries--Chile.
Chile--Boundaries--Argentina.
Desierto Lake (Chile)
Patagonia (Argentina and Chile)
Harvard subject headings:
Argentina--Boundaries--Chile.
Chile--Boundaries--Argentina.
Patagonia (Argentina and Chile)
Princeton subject headings:
Argentina--Boundaries--Chile.
Chile--Boundaries--Argentina.
Patagonia (Argentina and Chile)