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Underground Treasures: How and Where to Find Them: A Key for the Ready Determination of All the Useful Minerals Within the United States

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Underground Treasures: How and Where to Find Them: A Key for the Ready Determination of All the Useful Minerals Within the United States

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Underground Treasures: How and Where to Find Them: A Key for the Ready Determination of All the Useful Minerals Within the United States

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The Andes and the Amazon Or, Across the Continent of South America

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Los Andes y el Amazonas o Notas de un viaje desde Guayaquil a Pará

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The Andes and The Amazon