Columbia subject headings:
Harvard subject headings:
Ecuador--Antiquities.
Esmeraldas (Ecuador : Province)--Antiquities.
Indians of South America--Ecuador--Esmeraldas (Province)--Antiquities.
Princeton subject headings:
Esmeraldas (Ecuador : Province)--Antiquities.
Excavations (Archaeology)--Ecuador--Esmeraldas (Province).
Indians of South America--Ecuador--Esmeraldas (Province)--Antiquities.