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: Tool House and Garage at Kelso, Washington, prepared in 1966. Burlington Northern File Number 4932-1, Reference Number 10105, Sheet 001.

Northern Pacific Engineering Drawing: Tool House and Garage at Kelso, Washington, prepared in 1966. Burlington Northern File Number 4932-2, Reference Number 10101, Sheet 002.

Northern Pacific Engineering Drawing: Tool House and Garage at Kelso, Washington, prepared in 1966. Burlington Northern File Number 4932-3, Reference Number 10101, Sheet 003.