Northern Pacific steam locomotive 2428 at Pasco, Washington, on August 07, 1937. Number 2428 is a class T built by Alco-Brooks in 1907. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2440 in storage at Pasco, Washington, circa 1939. Number 2440 is a class T built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2449 at Pasco, Washington, on August 07, 1937. Number 2449, a class T built by Alco-Brooks in 1907, is shown in inactive storage at Pasco. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2610 on the ready track at Pasco, Washington, circa 1946. Number 2610 is a class A built by Alco-Schenectady in 1926. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2611 at Pasco, Washington, on September 03, 1946. Number 2611 is a class A built by Alco-Schenectady in 1927. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5112 at at the roundhouse in Pasco, Washington, circa 1950. Number 5112 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5112 at Pasco, Washington, on August 07, 1937. Number 5112 is a class Z-6 built by Alco-Schenectady in 1937. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5112 at Pasco, Washington, in 1948. Number 5112 is a class Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5113 taking water at Pasco, Washington, on August 07, 1937. Number 5113, a class Z-6 built by Alco-Schenectady in 1937, is parked near the Pasco coal dock. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, coal dock

Northern Pacific steam locomotive 5114 building steam at Pasco, Washington, circa 1950. Number 5114 class is a Z-6 built by Alco-Schenectady in 1937. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo