Document pZXrQNa7x1mZyxjO82O06N5D

CHEMI CO METALS CORP. P. O. BOX 187. ALTON. ILL. 62002 JOINED: 7/71 RESIGNED: 6/30/73 MR. S. A. SILVERSTEIN, ADMINSTRATIVE VP CERTAINTEED CORPORATION P.0. Box 860 Valley Forge, Pa. Joined: 1968 Resigned: January 1983 Dr. Lawrence J. Mellon Assistant Vice President & Corporate Medical Director THE CENTRAL SILICA CO. MASONIC TEMPLE, ZANESVILLE, OHIO JOINED: 2/1/37 RESIGNED: 12/31/71 MR. ARTHUR F. HARRISON. PRES, b TREAS. 033 TY