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History of the Expedition Under the Command of Captains Lewis and Clark, Volumes 1 and 2, 1814

The Lewis and Clark Expedition reached the Pacific Ocean, “. . . the object of all our labours, the reward of all our anxieties . . .” at the mouth of the Columbia River in November 1805. After Meriwether Lewis’s death in 1809, William Clark and others completed the official report, based on the expedition journals. Published in 1814, this report to Congress made public a vast body of information about the Northwest.

Rare Book and Special Collections Division, Library of Congress

History of the Expedition Under the Command of Captains Lewis and Clark, Volumes 1 and 2, 1814 History of the Expedition Under the Command of Captains Lewis and Clark, Volumes 1 and 2, 1814

Exploring the Continent - 2

Appropriations from Congress funded exploration of the West. At the urging of President Thomas Jefferson in 1803, Congress supported a “Corps of Discovery” led by Meriwether Lewis and William Clark. The expedition’s mission was to chart western territory acquired through the Louisiana Purchase, locate a water route to the Pacific Ocean and establish trade with native tribes.