Columbia subject headings:
Excavations (Archaeology)--Argentina--Pichao Site.
Excavations (Archaeology)--Argentina--Santa Maria River Valley.
Indians of South America--Argentina--Santa Maria River Valley--Antiquities.
Pichao Site (Argentina)--Antiquities.
Santa Maria River Valley (Argentina)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Argentina--Santa Maria River Valley.
Indians of South America--Argentina--Santa Maria River Valley--Antiquities.
Pichao Site (Argentina)--Antiquities.
Santa Maria River Valley (Argentina)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Argentina--Santa Maria River Valley.
Indians of South America--Argentina--Santa Maria River Valley--Antiquities.
Pichao Site (Argentina)--Antiquities.
Santa Maria River Valley (Argentina)--Antiquities.