Image scanned from black and white negative labeled "Armour Fertilizer Works, Presque Isle, Maine, September, 1936." Several men pose with two vast tractors in the middle of a potato field. There is a thick forest in the distance. A sign reads "Grown with Armour's Big Crop Fertilizers."
Presque Isle (Me.), Aroostook County (Me.), Fertilizer Industry, Men, Tractors, Fields, Potatoes, Trees