Mason Contractor NewsPublished by The Mason Contractors Association of America, 208 S. La Salle St., Chicago 4, III. WORLD'S LARGEST SHOPPING CENTER COMPLETEDDallas, Texas-North Park Shopping Center, first featured in the March issue,
WAL-LOKWAL-LOKNOW3INGRADES!STANDARDNo. 9 ga. Siderods,No. 10 ga. GALVANIZED CrossrodsSUPERSTANDARDNo. 8 ga. Siderods,No. 10 ga. GALVANIZED CrossrodsEXTRA HEAVY3/16" Siderods,No. 9