SP&S EMD F3A diesel locomotive Number 801 and EMD F7A Number 805 arriving at Pasco, Washington with passenger train Number 2 on August 12, 1969. Photo by J. Illman.

SP&S ALCO FA-1 diesel locomotive Number 859, former 858 A-2, on the roundhouse track next to Northern Pacific steam power at Pasco, Washington on August 5, 1953. Photo by James Fredrickson.

SP&S ALCO FA-1 diesel locomotive Number 864 in the Northern Pacific yard at Pasco, Washington. Photo by John Henderson.

Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 31 at Pasco, Washington in June 1968.

Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 31 at Pasco, Washington in June 1968.

Spokane, Portland and Seattle steel coach Number 274 at Pasco, Washington on August 17, 1949. Photo by W.C. Whittaker.

Spokane, Portland and Seattle steel coach Number 274 at Pasco, Washington on August 17, 1949. Photo by W.C. Whittaker.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 621 formerly Great Northern Class E-14, at Pasco, Washington, 1947.

SP&S diesel locomotive Number 61, an American Locomotive Company (ALCO) RS-2, switching tank cars near Pasco, Washington, August 5, 1953. Photo by Al Farrow.

SP&S diesel locomotives Number 301 (an American Locomotive Company (ALCO) C-424), 311 and 325 (an American Locomotive Company (ALCO) C-425) and Northern Pacific 7052A (EMD F9A) in the power line-up at Pasco, Washington, March 1969. Photo by Robert Johnston.

SP&S diesel locomotives Number 304 (an American Locomotive Company (ALCO) C-424), 310 (an American Locomotive Company (ALCO) C-425) and 302 (an American Locomotive Company (ALCO) C-424) along with with Northern Pacific Number 3604 (EMD SD45) on the engine tracks at Pasco, March 1969. Photo by Robert Johnston.

SP&S diesel locomotives Number 304 (an American Locomotive Company (ALCO) C-424), 310 (an American Locomotive Company (ALCO) C-425) and 302 (an American Locomotive Company (ALCO) C-424) along with with Northern Pacific Number 3604 (EMD SD45) on the engine tracks at Pasco, March 1969. Photo by Robert Johnston.

SP&S 2-8-2 steam locomotive Number 539, Class O-3, leaving by the site of the old Northern Pacific Pasco, Washington depot, July 13, 1955. Photo by Al Farrow.

SP&S 4-4-2 steam locomotive Number 603, Class C-1, on Train Number 4 at Pasco, Washington, April 30, 1945. Photo by Al Farrow.

SP&S 4-4-2 steam locomotive Number 605, Class C-1, departing with passenger Train Number 5 at Pasco, Washington, April 30, 1945. Notice the wartime blackout hood on the headlight.

SP&S 4-4-2 steam locomotive Number 608, Class C-1, with passenger Train Number 4 leaving the Pasco, Washington depot, May 9, 1938. Photo by Al Farrow.

SP&S 4-6-2 steam locomotive Number 626, Class H-1, with SP&S passenger Train Number 5 at the Pasco, Washington depot, along with Northern Pacific diesel locomotive Number 6503, an EMD F3A, with Northern Pacific passenger Train Number 5 on July 8, 1947. From the Phillip C. Johnson Collection.

SP&S 4-6-6-4 steam locomotive Number 901, Class Z-6, with an eastbound freight departing Pasco, Washington on May 9, 1938. Photo by Al Farrow.

SP&S 4-6-6-4 steam locomotive Number 901, Class Z-6, departing with a freight train from Pasco, Washington on May 9, 1938.

SP&S 4-6-6-4 steam locomotive Number 902, Class Z-6, leaving Pasco, Washington as Extra 902 West, September 2, 1954. Photo by Al Farrow.

SP&S 4-6-6-4 steam locomotive Number 903, Class Z-6, leaving Pasco, Washington with Train Number 275, March 21, 1939. This locomotive would later become Great Northern Number 4000. Photo by Al Farrow.

SP&S 4-6-6-4 steam locomotive Number 905, Class Z-6, arriving with a freight train at Pasco, Washington on June 1, 1941.

Titan Railway Services (TITAN) diesel locomotive 1200, a Class SW1200 at Pasco, Washington, 1995. Other Subject Classes: Locomotive-Diesel

Titan Railway Services (TITAN) diesel locomotive 7, a General Electric Class 25 T at Pasco, Washington, 1996. Other Subject Classes: Locomotive-Diesel

Titan Railway Services (TITAN) diesel locomotive 7, a General Electric Class 25 T at Pasco, Washington, September 16, 1995. Other Subject Classes: Locomotive-Diesel

United States Navy 0-4-0T steam locomotive number 6992 parked at Pasco, Washington, on September 24, 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, switching locomotive.

Washington State Railroads Historical Society (WSRHS) diesel locomotive 5933, a Class GP7 at Pasco, Washington, June 1998. Other Subject Classes: Locomotive-Diesel