Opening of Davis Lock 1914, Sault Ste. Marie, Mich

Front:
SE OPENING OF DAVIS LOCK 1914, SAULT STE. MARIE, MICH. MARIN MH THIS IS THE LONGEST LOCK IN THE WORLD BEING 1350 FEET LONG. Una mer

Back:
MADE IN U. S. A PUBLISHED BY CONWAY & HALL, SAULT STE. MARIE, MICH. A-58065 2025 DOMESTIG THIS SPACE FOR ADDRESS ONLY.