Snake with the Columbia River. North of the Snake River the course of the Columbia River was not known until 1811. The first white man who discovered and explored the sources of the Columbia River was David Thompson, one of the partners of the Northwest Company. He was also the first white man to descend the Columbia to its confluence with the Snake River. In 181 1 Thompson, in a light canoe, manned by eight Iroquois and an interpreter, went down the Columbia River, arriving at Astoria July 15, 181 1. This was only a short time after the founding of Astoria. The Tonquin, the ship which brought the Astor expedition, entered the Columbia River March 24, 181 1. April 12 the expedition landed and camped at Astoria to make that place its permanent home.
Alexander Mackenzie was a great and intrepid explorer. He was the first white man to cross the American continent from civilization on the Atlantic slope to the Pacific Ocean, north of latitude forty-two, the northern boundary of California.
The First Settlement in British Columbia by Fraser.
The first permanent settlement on the Tacoutche or Fraser River was made under the leadership of Simon Fraser on behalf of the Northwest Company. This was the first permanent occupation of the continent by white men west of the Rocky Mountains, north of latitude forty-two degrees and south of latitude fifty-four degrees, forty minutes, and being what was subsequently known as the Oregon Country. It was in 1805 that Simon Fraser and his party arrived in that country. I shall not go into details concerning his occupation of this part of the country except to say that he named it New Caledonia and established several trading posts or forts, for this address relates to the discovery and exploration of the Fraser River and not to settlements in the country.