1950s Vehicles sources
- Sikorsky H-5 helicopter from Irwin company kit, circa 1950s
- Red River style cart, made for R. H. McKay, circa 1950; HMFM Permanent Collection, 2009.073.001
- Steel truck, The Missoulian, Dec. 20, 1953
- Boy with earth scraper, hauler, The Missoulian, Dec. 22, 1951
- Boy with metal grader, The Missoulian, Dec. 22, 1951
- Hook and Ladder Auto Truck, The Missoulian, Dec. 20, 1950