Masonry Magazine July 1977 Page. 1 Masonry Magazine July 1977 Page. 1 Mason Contractors Association of America17W601-14th Street Oakbrook Terrace, Illinois 60181BULK RATEU.S. POSTAGEPAIDPermit No. 16New Richmond, WisJULY, 1977-Vol. 17, No. 7masonry