Northern Pacific Engineering Drawing: Yard Office at Longview Junction, Washington, prepared in 1972. Burlington Northern File Number PQ-300, Reference Number 10110, Sheet 001.

Northern Pacific Engineering Drawing: Operator's Building at Longview Junction, Washington, prepared in 1960. Burlington Northern File Number 5199, Reference Number 10111, Sheet 001.

Northern Pacific Engineering Drawing: Operator's Building at Longview Junction, Washington, prepared in 1960. Burlington Northern File Number 5199, Reference Number 10110, Sheet 002.