Original 1967 Houston manufacturing trade magazine vintage ad for THE GIFFORD-HILL COMPANIES.  Main office was located in Dallas, Texas. The Gifford-Hill Companies produce progress in 17 different ways. Ready-Mixed concrete, Portland cement, Sand & gravel, Crushed stone, Concrete pipe, Concrete pressure pipe, Crushed slag, Blasting sand, Filter materials, Prestressed Concrete Cross Ties, Irrigation systems, Concrete stave silos, Asphalt products and Locomotive sand. ​This old dated one page business magazine advertisement would display beautifully matted and framed.