© Robert Glenn Ketchum, The Popolopen Bridge, Bear Mountain State Park, 1984, Ilfochrome print, 30″ x 40″, PH2020.013.002, Gift of Robert Glenn Ketchum

© Robert Glenn Ketchum, The Popolopen Bridge, Bear Mountain State Park, 1984, Ilfochrome print, 30" x 40", PH2020.013.002, Gift of Robert Glenn Ketchum

© Robert Glenn Ketchum, The Popolopen Bridge, Bear Mountain State Park, 1984, Ilfochrome print, 30″ x 40″, PH2020.013.002, Gift of Robert Glenn Ketchum