Great Northern Yard at Seattle, Washington in 1947. Aerial photograph of Sears building and East Waterway. Photographer Hal Will. Other subject classes: Aerial / Yard

Great Northern Yard at Seattle, Washington in 1947. Aerial of Sears building and East Waterway. Photographer Hal Will. Other subject classes: Aerial / Yard

Lake Whatcom Railway end of track at Mile Post 3 near Park, Washington, on October 18, 2008. The switch connects to the run around track and is in the former Northern Pacific 15th subdivision of the Tacoma division. Photo by GJ Werkema Other subject classes: track, track switch

Lake Whatcom Railway end of track at Mile Post 3 near Park, Washington, on October 18, 2008. The switch connects to the run around track and is in the former Northern Pacific 15th subdivision of the Tacoma division. Photo by GJ Werkema Other subject classes: track, track switch

Log loader in Aloha, Washington, January 1975. Mobile loading machine, lumber yard. Photo by J.M. Fredrickson . Other Subject Classes: heavy equipment, industrial facility

Log loader in Aloha, Washington, January 1975. Mobile loading machine, lumber yard. Photo by J.M. Fredrickson . Other Subject Classes: heavy equipment, industrial facility

Log yard at Aloha, Washington, in January 1975. Log yard, shed. Photo by J.M. Fredrickson . Other Subject Classes: industrial facility

Log yard at Aloha, Washington, in January 1975. Log yard, shed. Photo by J.M. Fredrickson . Other Subject Classes: industrial facility

Lumber Specialties log yard at Hoquiam, Washington, in January 1975. Log loading yard, Burlington Northern flatcars loaded with logs. Photo by J.M. Fredrickson . Other Subject Classes: loading yard, freight car

MacMillan Bloedel (MB) Beaufort Division track map, Courtney, British Columbia, 1973. Other Subject Classes: Locomotive-Diesel