Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1967. Burlington Northern File Number 202, Reference Number 10110, Sheet 003.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1968. Burlington Northern File Number 9792-4, Reference Number 10109, Sheet E-1.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1968. Burlington Northern File Number 204, Reference Number 10104, Sheet 002.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1968. Burlington Northern File Number 203, Reference Number 10109, Sheet E-1.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1970. Burlington Northern File Number 205, Reference Number 10108, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Tualatin, Oregon, prepared in 1970. Burlington Northern File Number 9292-1, Reference Number 10108, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House (taken from a Northern Pacific Standard Plan) at Vancouver, Washington, prepared in 1954. Burlington Northern File Number PQ-120A, Reference Number 10112.

Spokane, Portland, and Seattle Railway Engineering Drawing: Section Tool House at Wilsonville, Oregon, prepared in 1968. Burlington Northern File Number 300, Reference Number 10104, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Septic Tank at Portland, Oregon, undated. Burlington Northern File Number 5200-5285, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Standard Bunk Houses and Section Foremen's Cottages Alteration to Bath Facility (Standard Plan), prepared in 1954. Burlington Northern File Number 12014, Reference Number 10110.