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Dorsett spraying grape vines on the grounds of the Department of Agriculture for powdery mildew. A little east of the present West Wing. Pat at the pump; Dorsett at the nozzle.

Image (illustration or photograph) for this item, linking to higher res image.

Citation

Unknown. “Dorsett spraying grape vines on the grounds of the Department of Agriculture for powdery mildew. A little east of the present West Wing. Pat at the pump; Dorsett at the nozzle..” Special Collections, USDA National Agricultural Library. Accessed March 5, 2026, https://www.nal.usda.gov/exhibits/speccoll/items/show/259.