Northern Pacific Engineering Drawing: Section Motor Car and Tool House at Kelso, Washington, prepared in 1960. Burlington Northern File Number 4931-1, Reference Number 10112, Sheet 001.

Northern Pacific Engineering Drawing: Section Motor Car and Tool House at Kelso, Washington, prepared in 1960. Burlington Northern File Number 4931-2, Reference Number 10112, Sheet 002.

Northern Pacific Engineering Drawing: Section Tool House at Connell, Washington, prepared in 1965. Burlington Northern File Number 5005, Reference Number 10102, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at East Olympia, Washington, prepared in 1964. Burlington Northern File Number 5098, Reference Number 10103, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at Easton, Washington, prepared in 1964. Burlington Northern File Number 5252, Reference Number 10104, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at Kendrick, Idaho, prepared in 1966. Burlington Northern File Number 5261, Reference Number 10104, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at Olympia, Washington, prepared in 1967. Burlington Northern File Number 5146, Reference Number 10110, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at Palouse, Washington, prepared in 1966. Burlington Northern File Number 5264, Reference Number 10104, Sheet 001.

Northern Pacific Engineering Drawing: Section Tool House at Pasco, Washington, prepared in 1955. Burlington Northern File Number 4640, Reference Number 10105.

Northern Pacific Engineering Drawing: Section Tool House at Pasco, Washington, prepared in 1955. Burlington Northern File Number 4640, Reference Number 10105.