Photograph used for a story in the Daily Oklahoman newspaper. Caption: "EXECUTIVE appointments announced Tuesday by Continental Oil Co. in the western hemisphere petroleum division, based in Houston, include W.E.N. Doty, left, to the new post of vice president for new business development, appointing R.W. Heggland, center to Doty's former post as vice president of exploration and promoting Wyatt W. Walker, right, to vice president of refining."