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Corps of Discovery
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Discoveries of the Expedition

The Corps of Discovery brought back invaluable geographic and scientific data, including 178 new species of plant life and 122 previously unknown species of animal life. Lewis and Clark succeeded in mapping a route beyond the Mississippi River to the West Coast. They recorded the flora and fauna, made scientific and astronomical observations, and met with many Indian tribes during the journey. The Corps of Discovery completed its mission with only one fatality - Sergeant Charles Floyd, who died of an apparent ruptured appendix.

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