Pinkney City or Pinkneyville was a small community outside of Fort Colville

Fort Colville

The trade center Fort Colville was built by the Hudson's Bay Company at Kettle Falls on the Columbia River, a few miles west of the present site of Colville, Washington in 1825, to replace Spokane House as a regional trading center, as the latter was deemed to be too far from the Columbia River...

 in what is now Stevens County (Washington). Originally named for Colonel Pinkney Lugenbeel, commander at the fort in the early 1860s. The town grew up around the fort around 1861, and eventually became Colville

Colville, Washington

Colville is a city in Stevens County, Washington, United States. The population was 4,673 at the 2010 census. It is the county seat of Stevens County.- History :...

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The civilian town just north of the military base soon became an important trading center and eventually the county seat for what would later become Stevens County. In 1863 the residents of Pinkney city petitioned the legislature to make Stevens County part of Spokane County. Instead Spokane was made part of Stevens County, and the county seat was moved (this was later split into Okanogan, Spokane and Stevens Counties). After the fort was abandoned in the 1880s, the town of Colville moved some three miles away, and Pinkney City disappeared.