. Ecuador, Perú : Cuyabeno-Güeppí. Natural history; Natural history. Período de Agua Alta. Arcilla Mineralízación de Nutrientes. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Alverson, William Surprison; Field Museum of Natural History. [Chicago, Ill. ] : Field Museum of Natural History

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Keywords: ., bookauthorfieldmuseumofnaturalhistor, booksubjectnaturalhistory