David Plowden (b. 1932), Steamer Kinsman Independent, Kinsman Lines, unloading cement clinker, Superior Wisconsin, 1985; silver print, 9 1/2 x 9 1/4 inches (Frame: 15 x 14 3/4 inches); Burchfield Penney Art Center, Purchased with funds from the Seymour H. Knox Foundation, 1987