(1837-1926) Children of the Mountain1867Oil on canvas157.8 x 132.4 cm (62 1/8 x 52 1/8 in)The Anschutz Collection Children of the Mountain1867Oil on canvas157.8 x 132.4 cm (62 1/8 x 52 1/8 in)The Anschutz Collection The Devil's Slide, Yellowstone1871Watercolor26 x 17.8 cm (10 1/4 x 7 in)Department of the Interior, Yellowstone National Park The Devil's Slide, Yellowstone1871Wate..