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Lewis and Clark Expedition (1803-06) In January of 1803, Jefferson requested $2500 from Congress to pay for the costs of the trip. Thomas Jefferson then commissioned Capt. Meriwether Lewis (his presidential aide) to explore the newly purchased Louisiana Territory. This territory is what is now the northwest United States. Before Lewis met up with Clark, he began the expedition on August 30, 1803 in Pittsburgh PA. Lt. William Clark would offer to join Lewis on the expedition weeks later on October 13, 1803 at Camp Dubois (in present-day Indiana). They then named their team the "Corps of Discovery." At the time, Lewis was 29 years old and Clark was 33. From there, they sailed down the Ohio River towards St. Louis. The party of nearly 30 --including Lewis and Clark, three sergeants, 22 enlisted men, volunteers, interpreters, and Clark's slave -- departed St. Louis in May 1804 heading up the Missouri River. They would spend their first winter at Fort Mandan at the present site of Bismarck, North Dakota. It took about 3 weeks to build Fort Mandan, which they named for the local natives, and they settled in on Nov. 27, 1804. There, they acquired a guide and translator, the Shoshone woman Sacagawea. In spring 1805, they continued to the headwaters of the Missouri River, struggled across the Continental Divide, and headed west along the Salmon, Snake, and Columbia rivers to the Pacific. They returned to St. Louis the following year.

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Q: What scientific expedition from the Mississippi River to the Pacific Ccean marked the map for the Louisiana Purchase?
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Related questions

Who explored the route from Mississippi to the Pacific Ocean in 1804-1806?

The Lewis and Clark Expedition explored the Louisiana Purchase territory.


The Louisiana Purchase stretched from the Mississippi River to the?

Louisiana purchase stretched from the Mississippi river to the rocky mountains.


Where The Louisiana Purchase take place?

Westward of the Mississippi River (In Mississippi)


The Louisiana purchase stretched from the Mississippi river to where?

Rockie Mountains


What was the natural boundary of the Louisiana purchase on the east?

The Mississippi River was the natural boundary of the Louisiana Purchase on the east.


How did cities along the Mississippi river benefit from the Louisiana purchase?

The cites along the Louisiana purchase we're not In the lncluded


Who all went on the expedition of The Louisiana Purchase?

Lewsi & Clark


Who led the successful expedition to explore The Louisiana Purchase?

The French


What female helped an expedition explore The Louisiana Purchase?

Sacajawea


Who helped Lewis and Clark in their expedition of The Louisiana Purchase?

Congress


What physical feature divides Oregon from The Louisiana Purchase?

The Louisiana Purchase and Oregon are divided by the Rocky Mountains.


Who gained control of the Mississippi River?

The United States through the Louisiana Purchase.