Pictures were found on the Historic Eastern Washington Facebook page.
"Northern Pacific depot in Wilbur, WA circa 1880s. Notice the train car in the background for the Haynes Photography Studio, a traveling photographer that would travel city to city by connecting his personal car to the major lines.
[Depot photo: Washington State Historical Society]"
The line to Wilbur was completed in 1889. The track does look freshly laid. Non-treated oak ties. No tie plates.