Spokane, Portland & Seattle Railway steam locomotive number 700 near Kennewick, Washington, in October 1990. SP&S 700 leads the excursion westbound between Kennewick and Vista, Washington, near milepost 5 in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Spokane, Portland & Seattle Railway steam locomotive number 700 at Kennewick, Washington, in October 1990. SP&S 700 pauses at Kennewick on its way to Yakima, Washington, for an excursion trip to through the Yakima River canyon to Cle Elum, Washington, in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Spokane, Portland & Seattle Railway steam locomotive number 700 at Kennewick, Washington, in October 1990. SP&S 700 pauses at Kennewick on its way to Yakima for an excursion trip to through the Yakima River canyon to Cle Elum, Washington, in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Spokane, Portland & Seattle Railway steam locomotive number 700 at Kennewick, Washington, in October 1990. SP&S 700 pauses at Kennewick on its way to Yakima for an excursion trip to through the Yakima River canyon to Cle Elum, Washington, in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

Plat Map of Spokane, Portland, and Seattle Railway facilities at Kennewick, Washington, March 7, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Kennewick, Washington, March 7, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Northern Pacific facilities at Kennewick, Washington, November 1, 1948, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Kennewick, Washington, November 1, 1948, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.