Timothy David Mayhew, Right side study of a gray wolf wading in water, natural red chalk and natural white chalk, 10 x 13. ← Previous Timothy David Mayhew, Right side study of a gray wolf wading in water, natural red chalk and natural white chalk, 10 x 13. Timothy David Mayhew, Right side study of a gray wolf wading in water, natural red chalk and natural white chalk, 10 x 13.