Cow's Skull: Red, White, and Blue is an Oil on Canvas Painting created by Georgia O'Keeffe in 1931. It lives at the Metropolitan Museum of Art in New York. The image is used according to Educational Fair Use, and tagged Skulls. Source
The journalist Laurie Lisle spent three years interviewing Georgia O'Keeffe's friends, family, and colleagues to compile this absolutely definitive biography of the fiercely independent modern voice.