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The Corps of Discovery departs from Camp Dubois
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Period: to
The Expedition
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The expedition reaches the Osage River
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They reach the Platte River, entering Sioux territory
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Sergeant Charles Floyd dies, only memeber lost during expedition
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Crew finds, kills, and logs the newly found prairie dog
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Captains meet Sacagawea
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Arrive at Yellowstone river, discovery of the Big Horn Sheep
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Lewis and hunters find and kill first grizzly bear
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Lewis meets Cameahwait, a leader of Shoshone
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Lewis and crew set up Camp Fortunate
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Begin crossing the Bitterroot Mountains
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Encounter the Pacific Ocean at the mouth of the Columbia River
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Corps of Discovery leave Ft. Clatsop to voyage back east
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Camped at Traveler's Rest in Montana
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Corps of Discovery split into two groups
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Lewis' group crosses the Continental Divide
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The Corps arrives in St. Louis, ending their journey after 2 years