Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Proposed, Changes to Accommodate Universal Carloading at Portland, Oregon, prepared in 1962. Burlington Northern File Number PQ-326, Reference Number 10106, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Albany, Oregon, prepared in 1965. Burlington Northern File Number RS-277, Reference Number 10111, Sheet 002.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number 5129, Reference Number 10110, Sheet 008.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10110.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number 5129, Reference Number 10110, Sheet 007.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Yard Office at Willbridge, Oregon, prepared in 1953. Burlington Northern File Number PQ-287, Reference Number 10108.