Petroglifos del Alto Napo
By: [por] Pedro I. Porras Garcés.
Publisher: Edición Huancavilca
Published: 1970
Place of publication: [Guayaquil
Language: spa
Number of pages: 42
Subjects: Petroglyphs -- Napo River Valley (Ecuador and Peru); Indians of South America -- Ecuador -- Antiquities.; Napo River Valley (Ecuador and Peru) -- Antiquities.