The PFRA, Dugouts and my Grandfather’s Caterpillars Joseph G. NagyJoseph G. NagyApril 21, 2021Saskatchewan, Esterhazy, Caterpillar, Tractor, Prairie, prairie history, PFRA, Cletrac, Tumblebug, Cletrac BGH, BE-GE Scraper, Nagy, Dugout, farm, bunkhouse, 1930s, Great Depression, Canada