Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Parkwater, Washington, prepared in 1960. Burlington Northern File Number 4719, Reference Number 10106, Sheet 003.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Parkwater, Washington, prepared in 1962. Burlington Northern File Number 4719, Reference Number 10102, Sheet 001.

Northern Pacific Engineering Drawing: Load Adjuster and Car Puller at Parkwater, Washington, prepared in 1962. Burlington Northern File Number 4719, Reference Number 10102, Sheet 002.