Yellowstone Canyon Highlights / Paintings / Yellowstone Canyon Previous Next Yellowstone Canyon, 1917 Art gallery, Laurelton Hall, Long Island, New York, 1902–57 Watercolor and gouache on tinted paper Louis Comfort Tiffany, American, 1848–1933 Signed, lower left: Louis C. Tiffany / 1917 17 3/8 x 11 5/8 in. (77-035)