Northern Pacific Engineering Drawing: Sectionmen's Building at Woodinville, Washington, prepared in 1963. Burlington Northern File Number 5164, Reference Number 10108, Sheet 01A.

Northern Pacific Engineering Drawing: Sectionmen's Building at Woodinville, Washington, prepared in 1962. Burlington Northern File Number 5164, Reference Number 10108.

Northern Pacific Engineering Drawing: Sectionmen's Building at Vancouver, Washington, prepared in 1967. Burlington Northern File Number 5114, Reference Number 10104, Sheet 002.

Northern Pacific Engineering Drawing: Sectionmen's Building at Vancouver, Washington, prepared in 1967. Burlington Northern File Number 5116, Reference Number 10104, Sheet 001.

Northern Pacific Engineering Drawing: Sectionmen's Building at Spokane, Washington, undated. Burlington Northern File Number 4807, Reference Number 101.

Northern Pacific Engineering Drawing: Sectionmen's Building at Spokane, Washington, prepared in 1954. Burlington Northern File Number 4807, Reference Number 10111.

Northern Pacific Engineering Drawing: Sectionmen's Building at Centralia, Washington, prepared in 1963. Burlington Northern File Number 5079-3, Reference Number 10111, Sheet 1-A.

Northern Pacific Engineering Drawing: Sectionmen's Building at Centralia, Washington, prepared in 1963. Burlington Northern File Number 5080, Reference Number 10111, Sheet 3A.

Northern Pacific Engineering Drawing: Sectionmen's Building at Centralia, Washington, prepared in 1954. Burlington Northern File Number 5080-1, Reference Number 10110, Sheet 001.

Northern Pacific Engineering Drawing: Sectionmen's Building at Centralia, Washington, prepared in 1913. Burlington Northern File Number 5080-3, Reference Number 10111, Sheet 2A.