Columbia subject headings:
Indians of South America--Salto Grande Reservoir Region (Argentina and Uruguay)--Antiquities.
Indians of South America--Uruguay--Antiquities.
Salto Grande Reservoir Region (Argentina and Uruguay)--Antiquities.
Uruguay--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Uruguay.
Indians of South America--Salto Grande Reservoir Region (Argentina and Uruguay)--Antiquities.
Indians of South America--Uruguay--Antiquities.
Salto Grande Reservoir Region (Argentina and Uruguay)--Antiquities.
Uruguay--Antiquities.
Princeton subject headings: