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Scientific Exploration

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Deep Sea Exploration2 Geological Survey Expeditions13 Naturalist Expeditions17 Rainforest Biodiversity Expeditions18

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Alexander von Humboldt's Orinoco and Amazon Journey (1799–1804)

1799 - 1804

Alexander von Humboldt's Exploration of Spanish America (1799–1804)

1799 - 1804

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