Great Northern Steam Locomotive Number 3234 at Helena, Montana, 1947.

Northern Pacific 1382 on display near the Depot in Helena, Montana on July 5, 2003. Northern Pacific 1382, an S4 class locomotive built by Baldwin Locomotive Works in 1902. Photo by GJ Werkema. Other subject classes: steam locomotive, S-4

Northern Pacific 1382 on display near the Depot in Helena, Montana on July 5, 2003. Northern Pacific 1382, an S4 class locomotive built by Baldwin Locomotive Works in 1902. Photo by GJ Werkema. Other subject classes: steam locomotive, S-4

Northern Pacific steam locomotive 1201 at Helena, Montana, on May 23, 1952. Number 1201 is a class Y-3 built by Schenectady in 1901. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1201 at Helena, Montana, on May 23, 1952. Number 1201 is a class Y-3 built by Schenectady in 1901. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1202 at Helena, Montana, on May 23, 1952. Number 1202 is a class Y-3 built by Schenectady in 1901. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1202 at Helena, Montana, on May 23, 1952. Number 1202 is a class Y-3 built by Schenectady in 1901. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1382 at Helena, Montana, on July 12, 1956. This photo shows the dedication of Number 1382, a class S-4 built by Baldwin in 1902, where it will be on display near the depot in Helena. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, display

Northern Pacific steam locomotive 1725 at Helena, Montana, on May 22, 1951. Number 1725 is a class W-3 built by Alco-Brooks in 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1842 at Helena, Montana, on September 18, 1953. Number 1842 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1843 at Helena, Montana, on May 22, 1951. Number 1843 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1856 at Helena, Montana, on May 22, 1951. Number 1856 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1856 at Helena, Montana, on September 15, 1952. Number 1856 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1856 at Helena, Montana, on September 15, 1952. Number 1856 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 23 at Helena, Montana, on May 24, 1952. Number 23, a class Y-1 built by Schenectady in 1899, backs by the depot. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger depot

Northern Pacific steam locomotive 23 at Helena, Montana, on September 15, 1953. Number 23, a class Y-1 built by Schenectady in 1899, awaits its next switching assignment at the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, water column

Northern Pacific steam locomotive 31 at Helena, Montana, on June 06, 1955. Number 31, a class Y built by Schenectady in 1898, poses with rods down near the passenger depot. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger car

Northern Pacific steam locomotive 4004 at Helena, Montana, circa 1920. Number 4004, a class Z-2 built by Baldwin in 1910, is posed with its crew. Photo by Keller, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4004 at Helena, Montana, circa 1920. Number 4004, a class Z-2 built by Baldwin in 1910, is posed with its crew. Photo by Keller, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4501 at Helena, Montana, in September 1953. Number 4501 is a class Z-4 built by Alco-Richmond in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5006 at Helena, Montana, in September 1953. Number 5006 is a class Z-5 built by Baldwin in 1930. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5121 at the coal dock in Helena in Montana, 1952. Number 5121 is a class Z-7 built by Alco-Schenectady in 1941. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5125 at Helena, Montana, on May 22, 1951. Number 5125 is a class Z-7 built by Alco-Schenectady in 1941. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 5133, a class Z-8, pushes on caboose 1012 to move a freight out of the yard at Helena, Montana, in 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, helper locomotive, steel caboose.

Spokane, Portland & Seattle Railway steam locomotive number 700 east of Helena, Montana, in October 2002. SP&S 700 climbs minor grade to Winston Hill east of Helena with the eastbound Montana Rockies Rail Tours excursion in October 2002. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.