Union Pacific Railroad passenger train at Kelso, Washington, undated. Union Pacific 950 leads Union Pacific train 457 at a station stop in Kelso. Jack Flagg photo, J.M. Fredrickson collection. Other Subject Classes: passenger train, diesel Locomotive.

Southern Pacific Railroad diesel locomotive number 9009 at Kelso, Washington, circa 1975. SP 9009, 9015 and 9249 leads a freight train through Kelso. Photo by Jack Flagg, J.M. Fredricson collection. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9009 at Kelso, Washington, circa 1975. SP 9009, 9015 and 9249 leads a freight train through Kelso. Photo by Jack Flagg, J.M. Fredricson collection. Other Subject Classes: diesel locomotive, freight train.

Northern Pacific passenger train number 408, Seattle-Portland, near Kelso, Washington, in December 1968. Led by diesel locomotive unit number 6703A, train passes communications shanty with agent Jack Flagg by building and Kim Fredrickson standing next to him. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, signal equipment, people

Northern Pacific passenger train, possibly a troop train, northbound at Kelso, Washington, circa 1945. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, steam locomotive, railroad yard

Northern Pacific diesel locomotive number 206 at Kelso, Washington, on June 07, 1970. NP 206 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher