Spokane, Portland, and Seattle Railway Engineering Drawing: Battery, Freight Car and Caboose Service Building at Portland, Oregon, undated. Burlington Northern File Number PQ-252, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Boiler House at Wishram, Washington, prepared in 1972. Burlington Northern File Number A-805, Reference Number 10111.

Spokane, Portland, and Seattle Railway Engineering Drawing: Boiler House at Wishram, Washington, prepared in 1972. Burlington Northern File Number A-797, Reference Number 10109.

Spokane, Portland, and Seattle Railway Engineering Drawing: Boiler-Engine Rooms-Coal Bunkers at Vancouver, Washington, prepared in 1908. Burlington Northern File Number CC-590-4, Reference Number 10112.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Foreman's Office - Portland Terminal at Portland, Oregon, prepared in 1935. Burlington Northern File Number RS-137, Reference Number 10101, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Foreman's Office - Portland Terminal at Portland, Oregon, prepared in 1955. Burlington Northern File Number RS-189, Reference Number 10101, Sheet 002.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Inspector's Building at Portland, Oregon, prepared in 1950. Burlington Northern File Number PQ-262, Reference Number 10110.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Inspector's Building at Portland, Oregon, prepared in 1981. Burlington Northern File Number PQ-255-A, Reference Number 10104.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Inspector's Building at Vancouver, Washington, undated. Burlington Northern File Number PQ-120-1, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Car Inspector's Building at Willbridge, Oregon, prepared in 1955. Burlington Northern File Number PQ-355, Reference Number 10103.