Early formative period of coastal Ecuador : the Valdivia and Machalilla phases /
Meggers, Betty Jane.
Evans, Clifford,1920-1981.
Estrada, Emilio,1916-1961.
Washington : Smithsonian Institution,
1965.
Includes bibliographical references.
Indians of South America
Pottery
Excavations (Archaeology)
Pottery
Indians of South America