Columbia subject headings:
Costa Rica--Antiquities.
Excavations (Archaeology)--Costa Rica.
Indians of Central America--Costa Rica--Antiquities.
San Dimas Valley, Costa Rica--Antiquities.
Harvard subject headings:
Costa Rica--Antiquities.
Excavations (Archaeology)--Costa Rica.
Indians of Central America--Costa Rica--Antiquities
San Dimas Valley (Costa Rica)--Antiquities.
San Dimas Valley, Costa Rica--Antiquities.
Princeton subject headings:
Archaeology.
Costa Rica--Antiquities.