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Keywords from Image Description:
Petrifiedwood. en Petrified wood from the Upper Paleogene of Rio Negro Argentina es Madera petrificada Valle del ro irihuau Ro Negro Formacin irihuau palegeno superior millones de aos own Dhzanette See it also at google Virtual Museum of Patagonian Fossils Petrified wood Petrified wood of Patagonia Nature of Ro Negro Province