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Explorer David Thompson posts a sign near what is now Sacajawea State Park in Washington state, claiming the Columbia District for the United Kingdom.

Historical image related to Explorer David Thompson posts a sign near what is now Sacajawea State Park in Washington state, claiming the Columbia District for the United Kingdom. from July 9, 1811

David Thompson (explorer)

Canadian fur trader and surveyor (1770–1857)

David Thompson was an Anglo-Canadian fur trader, surveyor, and cartographer, known to some native people as "Koo-Koo-Sint" or "the Stargazer". Over Thompson's career, he travelled 90,000 kilometres (56,000 mi) across North America, mapping 4.9 million square kilometres of the…
Source: Wikipedia (CC BY-SA)

Sacajawea State Park

Public park and historic place in Pasco, Washington, United States

Sacajawea State Park is a public recreation area and historical preserve in the city of Pasco, Washington, covering 267 acres (108 ha) at the confluence of the Snake and Columbia rivers where the Lewis and Clark Expedition camped on October 16, 1805. The state park bears the…
Source: Wikipedia (CC BY-SA)

Washington (state)

U.S. state

Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington. Washington borders the Pacific Ocean to…
Source: Wikipedia (CC BY-SA)

Columbia District

Former fur trading district of North America

The Columbia District was a fur-trading district in the Pacific Northwest region of North America, in both the United States and British North America in the 19th century. Much of its territory overlapped with the temporarily jointly occupied and disputed Oregon Country. It was…
Source: Wikipedia (CC BY-SA)