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Lewis and Clark Begin their expedition.
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Expedition discovers earthlodge villages of the Mandan and Hidatsas Indians.
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Clark names the Judith River in honor of a girl back in Virginia he hopes to marry.
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Scouting ahead of the rest of the expedition, Lewis comes across the Great Falls of the Missouri. He also discovers four more waterfalls farther upstream. The expedition will have to portage over eighteen miles, taking nearly a month, to get past them.
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Sacagawea recognizes Beaverhead Rock and says they are nearing the headwaters of the Missouri, and her people, the Shoshones. Lewis and three others scout ahead.
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After nearly starving in the mountains the expedition emerges near present-day Weippe, Idaho
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The expedition reaches the Columbia River.
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The expedition returns to the Mandan village.
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Lewis and Clark reach St. Louis
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The Expedtion ended and Lewis &&' Clark headed back to washington dc