Chicago, Milwaukee, St. Paul and Pacific Railroad steam locomotive number 59 near Maple Valley, Washington on March 31, 1951. 2-6-6-2 Mallet articulated-type steam locomotive running light westbound. Photo by Tom Kroutz. Other Subject Classes: steam locomotives.

Chicago, Milwaukee, St. Paul and Pacific Railroad steam locomotive number 59 at Spokane, Washington, circa 1951. 2-6-6-2 Mallet articulated-type steam locomotive at servicing facilities. Photo by Tom Kroutz. Other Subject Classes: steam locomotives, railroad servicing facilities.

Chicago, Milwaukee, St. Paul and Pacific Railroad passenger train number 17, the Columbian, at Renton, Washington, circa 1920. Westbound train of passenger cars led by Pacific-type steam locomotive on shared Pacific Coast/Chicago Milwaukee St. Paul and Pacific Railroad mainline down Houser Way approaching station, new trolley wire overhead, town buildings. Other Subject Classes: passenger cars, steam locomotives, railroad mainline, railroad electrification.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9700 at Tacoma, Washington, circa 1934. Milwaukee Road Road 9700, an experimental 4-8-4, was built in 1930 and initially used in freight service until 1934 when it entered passenger service between Avery, Idaho, and Othello, Washington. She is shown here in Tacoma while on a promotional tour before entering passenger service. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9700 at Tacoma, Washington, circa 1934. Milwaukee Road Road 9700, an experimental 4-8-4, was built in 1930 and initially used in freight service until 1934 when it entered passenger service between Avery, Idaho, and Othello, Washington. She is shown here in Tacoma while on a promotional tour before entering passenger service. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9700 at Tacoma, Washington, circa 1934. Milwaukee Road Road 9700, an experimental 4-8-4, was built in 1930 and initially used in freight service until 1934 when it entered passenger service between Avery ID and Othello WA. She is shown here in Tacoma while on a promotional tour before entering passenger service. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9700 at Tacoma, Washington, circa 1934. Milwaukee Road Road 9700, an experimental 4-8-4, was built in 1930 and initially used in freight service until 1934 when it entered passenger service between Avery, Idaho, and Othello, Washington. She is shown here in Tacoma while on a promotional tour before entering passenger service. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9602 at Tacoma, Washington, on April 04, 1936. Milwaukee Road Road 9602, a 2-6-6-2. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9519, circa 1912. The roundhouse crew pose on Milwaukee Road Road 9519, a 2-6-6-2, on a turntable. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, railroad crew, turntable.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 9310 at Tacoma, Washington, on April 04, 1936. Milwaukee Road Road 9310, a 2-6-6-2, parked at the engine facility in Tacoma in 1936. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive facility.