46020awl

Logo of the Spokane Portland and Seattle RailwayThe Spokane, Portland & Seattle Railway (SP&S) (reporting mark SPS) was a United States-based railroad incorporated in 1905. It was a joint venture by the Great Northern Railway and the Northern Pacific Railway to build a railroad along the north bank of the Columbia River. Remnants of the line are currently operated by BNSF Railway and the Portland and Western Railroad.

 

Freight Equipment

Exact timeline not yet known.

Known to be correct as of 1949:
46020wl  
Known to be correct as of 1958:
46006wl