Document amRzggo8oZym01m973OJ0YaX

February 2, 19-46 Dr. B. B. Heeve, Medical Director, Standard Oil Company, 910 South Michigan Avenue, Chicago, Illinois. Dear Dr. Leeve: At the present time Dr. Kehoe is absent from the Laboratory and vill return about the middle of February. He will be glad to give you his opinion in response to your letter of January with its attached file,shortly after his return. Very truly yours, E. E. Fortlage, Secretary to Dr. Kehoe ef KiS 0016155