Spokane, Portland & Seattle Railway steam locomotive 536 at Pasco, Washington on July 20, 1950. Spokane Portland & Seattle 536, formerly Northern Pacific number 1726 class W-3, 2-8-2, built by Alco-Brooks, 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Spokane, Portland & Seattle Railway diesel locomotive number 859 at Pasco, Washington, on August 05, 1953. SP&S 859, Alco FA and FB units, parked at the engine terminal at Pasco in 1953. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Spokane, Portland & Seattle Railway diesel locomotive number 801 at Pasco, Washington, on September 24, 1948. SP&S 801, an EMD F3A, parked at the passenger depot at Pasco in 1948. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger station.

Spokane, Portland & Seattle Railway diesel locomotive number 801 at Pasco, Washington, on September 24, 1948. SP&S 801, an EMD F3A, parked at the passenger depot at Pasco in 1948. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger station.

RELCO Locomotives Incorporated (RE) diesel locomotive 1040, a Class S2 at Pasco, Washington, undated. Other Subject Classes: Locomotive-Diesel

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, November 10, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line, projected right of way.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, November 10, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line, plat map.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, May 21, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line, mainline east.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, April 2, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, April 2, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line, mainline east.