Spokane, Portland, and Seattle Railway Engineering Drawing: Garage Building Valve House at Portland, Oregon, prepared in 1949. Burlington Northern File Number PQ-307, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Garage Building at Portland, Oregon, prepared in 1948. Burlington Northern File Number PQ-306-4, Reference Number 10111, Sheet 004.

Spokane, Portland, and Seattle Railway Engineering Drawing: Garage Building at Portland, Oregon, prepared in 1948. Burlington Northern File Number PQ-256, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Fuel Platform and Apron at Vancouver, Washington, prepared in 1958. Burlington Northern File Number T.V.399, Reference Number 10105.

Spokane, Portland, and Seattle Railway Engineering Drawing: Fuel Oil Facilities at Vancouver, Washington, prepared in 1910. Burlington Northern File Number E-6-2, Reference Number 10105.

Spokane, Portland, and Seattle Railway Engineering Drawing: Fuel Oil Facilities at Vancouver, Washington, prepared in 1910. Burlington Northern File Number E-6-2, Reference Number 10106.

Spokane, Portland, and Seattle Railway Engineering Drawing: Fuel Oil Facilities at Vancouver, Washington, prepared in 1910. Burlington Northern File Number E-6-2, Reference Number 10104.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine Inspection Pits at Portland, Oregon, prepared in 1929. Burlington Northern File Number NN-146A, Reference Number 10106.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, undated. Burlington Northern File Number PQ-216, Reference Number 101, Sheet 006.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam Drop Pit at Portland, Oregon, prepared in 1955. Burlington Northern File Number PQ-222A, Reference Number 10106.