Masonry Magazine August 1969 Page. 8
NON-STANING TRINITY Masonry Cement Masonry
High workability...longer board life...bag-to-bag uniformity...non-staining Cement WHITE GENERAL PORTLAND CEMENT CO
GP CC 8
A product of GENERAL PORTLAND CEMENT COMPANY, P.O. Box 324, Dallas, Texas 75221 Offices: Houston Tampa Miami Chattanooga Chicago Fort Wayne Kansas City, Kan.
masonry • Nov./Dec., 1969