Cow Skull and Pelvis, O’Keeffe’s Ghost Ranch House, New Mexico, 1960. By Todd Webb June 1, 2015 744 × 1024 Moving Todd Webb into photography’s “Pantheon” Cow Skull and Pelvis, O’Keeffe’s Ghost Ranch House, New Mexico, 1960. By Todd Webb Cow Skull and Pelvis, O’Keeffe’s Ghost Ranch House, New Mexico, 1960. By Todd Webb