Construction of Spokane, Portland & Seattle Railway Tunnel 15 near Farrington, Washington. Two unidentified people stand on partially constructed railroad tracks underneath a wooden support structure. The Snake River is visible on the left side of the photograph. A handwritten note on the back of the photograph reads, "Cable Dump (?) and Tunnel. Pine Tree Rapids. This fill is 200 feet from bottom coulee to grade. Tunnel 15 west of Farrington, M. P. 266.3"