Masonry Magazine January 1967 Page. 10
NON-STANG
TRINITY
Trinity White Masonry
Masonry Cement
High workability... longer board life... bag-to-bag uniformity...non-staining Cement WHITE GENERAL PORTLAND CEMENT CO
A PRODUCT OF GENERAL PORTLAND CEMENT CO. Offices Chicago Dallas Houston Tampa GP Miami Chattanooga Fort Wayne Kansas City, Kan. Fredonia, Kan. Oklahoma City. Los Angeles CC 10 MASONRY January, 1967