USA-FORM, INC. SUPPLIED WALL FORMWORK FOR SUPERIOR CONSTRUCTION ON THE CLEVELAND CLIFFS PROJECT. SUPERIOR WAS ABLE TO POUR THE ENTIRE "SLAG WALL" IN ONE SHOT, APROXIMENTLY 217 YARDS OF CONCRETE. THE WALL WAS AT ITS TALLEST 18'-4" WITH A BATTERED FACE. SUPERIOR NOW IS REUSING THE FORMWORK TO DO ONE-SIDED WALL POURS AGAINST SHEET PILE FOR THE GRANULATOR PITS & WATER BASIN.