On July 18, 1811, Canadian explorer and agent of the North West Company David Thompson (1770-1857) surveys the mouth of the Columbia River after a historic voyage downriver from Kettle Falls. The firs...
From July 22 to 31, 1811, Canadian explorer David Thompson (1770-1857) ascends the lower Columbia River, accompanied by members of the Pacific Fur Company of New York, who have just established a post...
In early August 1811, Canadian explorer David Thompson (1770-1857) and a small crew ascend the lower Snake River, visiting a succession of Palus Indian encampments along the way. At a village at the ...
On August 13, 1811, Canadian explorer David Thompson (1770-1857) and his crew arrive at the fur-trading post Spokane House on their return from the Pacific, bringing with them a Hawaiian Islander whom...
On August 16, 1811, Alexander Ross, a trader and explorer with Astor's Pacific Fur Company goes up the Columbia River and arrives at the mouth of Yakima River. There he encounters a number of Indians ...
On August 18, 1811, members of the Pacific Fur Company, known as the Astorians, name Priest Rapids on the Columbia River in honor of a tribal leader they meet there. Priest Rapids is located north of ...
On August 31, 1811, members of the Pacific Fur Company, known as the Astorians, reach the junction of the Okanogan and Columbia rivers, where they build Fort Okanogan, the first American trading post ...
In early September, 1811, Canadian explorer David Thompson (1770-1857) travels from Kettle Falls to Boat Encampment on the Columbia River, where he completes the first scientific survey of the entire ...
In 1812, the Pacific Fur Company of John Jacob Astor (1763-1848), a New York merchant active in the fur trade with China, establishes a trading post called Fort Spokane near the current site of the ci...
In early January, 1812, Pacific Fur Company partners Donald Mackenzie (1783-1851) and Robert McClellan (1770-1815) descend the Snake River to the Columbia in present-day Washington state. Mackenzie an...
On January 19, 1812, Pacific Fur Company partner Wilson Price Hunt (1783-1842) reaches the Columbia River near the mouth of the Umatilla and travels downstream on a tribal trail along the north side o...
On April 22, 1812, David Thompson (1770-1857), Canadian explorer, geographer, and fur trader, departs Kettle Falls and canoes upstream on the Columbia River, bound for eastern Canada. Thompson, a part...