Pasco

Pasco, city, seat (1889) of Franklin county, southeastern Washington, U.S., situated at the confluence of the Snake and Columbia rivers, opposite Kennewick and immediately southeast of Richland. Established on the site of a prehistoric Indian village in 1880, when the Northern Pacific Railway (now Burlington Northern Sante Fe) reached that point, it was named by a railroad surveyor for Cerro de Pasco, Peru, where he had previously worked. The largest city in the Columbia Basin...