The Lewis and Clark Expedition Day by Day by Gary E. Moulton

The expedition made notable contributions to science, but scientific research was not the main goal of the mission.

One of Thomas Jefferson's goals was to find 'the most direct and practicable water communication across this continent, for the purposes of commerce.' He also placed special importance on declaring US sovereignty over the land occupied by the many different Native American tribes along the Missouri River, and getting an accurate sense of the resources in the recently completed Louisiana Purchase. Louis to report its findings to Jefferson, with maps, sketches, and journals in hand. The campaign's secondary objectives were scientific and economic: to study the area's plants, animal life, and geography, and to establish trade with local Native American tribes. President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before European powers attempted to establish claims in the region. The return voyage began on March 23, 1806, at Fort Clatsop, Oregon, and ended on September 23 of the same year. The expedition crossed the Continental Divide of the Americas near the Lemhi Pass, eventually coming to the Columbia River, and the Pacific Ocean in 1805. Charles, Missouri, then went up the Missouri River.

Clark and 30 members set out from Camp Dubois (Camp Wood), Illinois, on May 14, 1804, met Lewis and ten other members of the group in St.

Army and civilian volunteers under the command of Captain Meriwether Lewis and his close friend Second Lieutenant William Clark. The Corps of Discovery was a select group of U.S. The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase. Lewis, Clark, and 40 menġ - Charles Floyd, August 1804 near Sioux City, Iowa

The Lewis and Clark Expedition Day by Day by Gary E. Moulton