- Ebenezer Tuttle- (1773-unknown) Tuttle joined the army in 1803 when Lewis and Clark were looking for volunteers for their expedition. He was assigned to the return party for the expedition. He then lead a party of Indians back to meet Thomas Jefferson.
- Sacagawea- (1790-1884) Means "bird woman" in the Hidatsa language. Sacagawea helped Lewis and Clark by being a translator to other Indian tribes, helping to salvage items that almost fell into a river, and identified edible plants and roots along the journey. She was a major help on the expedition.
- John Colter- (1774-1813) Colter was born in Staunton, Virginia. He was recruited by Lewis for the expedition. He would sometimes disobey orders and many time accompanied Captain Clark on scouting trips. He was granted an early discharge in 1806 to become a fur trapper. Not known at the time, but Colter was the first man to enter Yellowstone National Park.
- John Collins- (Unknown-1823) Transferred to the expedition from an unlisted army unit. Collins was one of the five expedition chief hunters. One morning Collins was found drunk on post duty and was arrested and put on trial. He was the first man to be put on a disciplinary trial on the expedition. He received 100 lashes on his bare back for his misconduct, but still remained in the corps.
- York- (1770-1831) York was Clark's slave and the only slave on the expedition. He was Clark's childhood companion. York had a good build, could swim, and was a great athlete and dancer. York was so devoted to Clark that he risked his life to save Clark's life in a flash flood. He was able to have his own rifle and could vote during the expedition. York was treated as a full member on the expedition. He fascinated the Indians, they had never seen a black man before. Ten years after the expedition Clark granted York his freedom.
- Mapped a route to the Pacific Ocean- On their journey, Lewis and Clark had William Clark draw all of the maps from the trek for them.
- Established good relations with the Western Indians- Lewis and Clark met many Indian tribes along their journey, which helped them later on with food, shelter, and supplies.
- Received information about the West and its people- Lewis and Clark learned about many groups of people on their journey that paved the way for settlement.
Hardships/Dilemmas Faced Along The Way
- Moving gear- The team of Lewis and Clark struggled while moving gear up the Missouri River. These events caused few casualties but were still unsafe.
- Faulty equipment- One of the instances where equipment did not work was when Lewis and Clark's mast broke.
- Mosquitoes- The bugs were a problem on Lewis and Clark's journey because they carried diseases to the men on the journey.
Plant/Animal Species Discovered on the journey
- Lewis Monkeyflower- This plant is native to California and blooms flowers of pink and purple.
- Black-Tailed Prairie Dog- This species of animal was once found across the Great Plains at the time Lewis and Clark began their expedition. The Prairie Dogs are known for their distinctive black tails.
- Jacob's Ladder- This plant blooms flowers of blue, pink, and white. It also grows to about 2 feet in height.
- Mountain Goat- The Mountain Goat is a mammal that still roams the Rocky Mountains today that weighs 100-300 pounds on average.
Route taken by the Lewis and clark expedition
Items/Tools taken on the journey
- 15- Prototype Model 1803 Muzzle-Loading .54 Caliber Rifles- These were mainly used for hunting.
- Corn Mills- These were used to grind corn to make cornmeal.
- Mandan Food Catches- These were used to store food underground, but it keep unwanted rodents away.