Great Northern Steam Locomotive Number 4001 locomotive, Class Z-6, at Spokane, Washington, undated.

Great Northern Steam Locomotive Number 521 at Spokane, Washington, 1946.

Great Northern Steam Locomotive 607, a Class G-1, Mastodon 4-8-0, Spokane, Washington. A David Emerson photo taken in 1930.

Great Northern Steam Locomotive Number 785 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 820 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 820 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 838 at Spokane, Washington, 1949.

Great Northern Steam Locomotive Number 840 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 879 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 879 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 898 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 948 at Spokane, Washington, 1938.

Great Northern Steam Locomotive 948, Class E-13, 1945. Photo from the Priebe Collection.

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on June 14, 1955. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on June 14, 1955. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on June 14, 1955. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on May 06, 1950. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on May 06, 1950. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Inland Empire Paper Company steam locomotive 924 at Spokane, Washington on May 06, 1950. Inland Empire Paper 924, formerly Northern Pacific number 924 class L-5, 0-6-0, built by Rogers, 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot