Keystone is a ghost town in Adams County, Washington. It is also a railroad marker with a grain silo.
History[]
The community was named after Pennsylvania, the Keystone State, the former home of an early postmaster.
Geography[]
The location of Keystone is along East Wellsandt Road, just north of Interstate 90. North is farmland until you reach Davenport. East is Pifer and Sprague. Palm Lake is southeast and Emden is south. Tokio is east and Ritzville is southwest.