Dump Trucks loading rocksalt in the Sifto Salt mine at Goderich, Ontario, had to be taken apart to be lowered into the mine, then re-assembled. Each n(...)

Original Toronto Star caption: Dump Trucks loading rocksalt in the Sifto Salt mine at Goderich; Ontario; had to be taken apart to be lowered into the mine; then re-assembled. Each night; at the end of six tunnels; 12 feet of salt is blasted loose; to be loaded the next day. Machine shops and even a huge crushing mill are located in the mine; 1;800 feet beneath Lake Huron.