Fish Hawk. Dated: 1830. Dimensions: plate: 96.1 x 64 cm (37 13/16 x 25 3/16 in.) sheet: 100 x 66.6 cm (39 3/8 x 26 1/4 in.). Medium: hand-colored etching and aquatint on Whatman paper. Museum: National Gallery of Art, Washington DC. Author: Robert Ha