Eugène Bléry, ‘Au ravin de la faille, Auvergne (The Ravine at Auvergne)’, 1846, National Gallery of Art, Washington, D.C.
plate: 12.8 x 20 cm (5 1/16 x 7 7/8 in.)  sheet: 22.7 x 30.8 cm (8 15/16 x 12 1/8 in.)