Opening the West with Lewis and Clark - Edwin Sabin |
| The Purpose | To get information upon the unexplored country extending from the interior of present Missouri to the mouth of the Columbia River in present Washington. |
| The Start | At St. Louis, Monday, May 14, 1804. |
| The Finish | At St. Louis Tuesday, September 23, 1806. |
| Time Consumed | Two years, four months, and nine days. |
| Distance Travelled | To the mouth of the Columbia: 4134 miles. Back to St. Louis: 3555 miles. Counting side trips: 8000 miles, total. |
| Methods Employed | Boats, horses and afoot. |
| The Route | Up the Missouri River to its sources in present Montana; across the Bitter Root Mountains into present Idaho; by way of the Clearwater River, the Snake River and the Columbia River to the Pacific Ocean. |
| The Party Out of St. Louis | Forty-five. |
| The Party Who Went Through | Thirty-three: the two captains, twenty-three American soldiers, five French-Canadian and French-Indian boatmen and interpreters, one negro servant, one Indian woman guide, and one baby. |
| Deaths | One. |
| Seriously Injured | One. |
| Desertions | One accomplished, one attempted; both early. None from the final party. |
The New Territory of Louisiana.
- Stretched from the Mississippi River to the summit of the Rocky Mountains.
- Owned first by France.
- By France ceded to Spain, 1762.
- By Spain secretly ceded back to France, 1800.
- In April, 1803, purchased from France by the United States for 15,000,000.
The Columbia Country
- The Northwest lying between California and Canada, and the Rocky Mountains and the Pacific Ocean.
- In 1792 visited by Captain Robert Gray of the American ship Columbia from Boston, who entered and named the Columbia.
- The same year visited by Captain George Vancouver, an English navigator. Claimed by both the United States and England.
- Awarded to the United States by treaty of 1846.