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| | Orinoco Expedition, 1799-1804 (Site not responding. Last check: 2007-10-09) |
 | | Missionaries helped them build a falcon, travelled down Apure, up Orinoco to La Urbana, on to mouth of Meta at Raudal de Maipures (3 days), Atures, and mouth of Sipapo, to San Fernando de Atabapo. |
 | | San Fernando de Apure to San Fernando de Atabapo: 33 days. |
 | | Crossed to Brazilian side, Humboldt arrested by the Portuguese on suspicion of being a Spanish border survey, later released. |
| research.amnh.org /ichthyology/neoich/expeditions/h&borin.html (256 words) |
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