Sifto Salt Mine, Goderich, Ontario
Sifto Salt Mine - the largest salt mine in the world - extends 13 square kilometres (5 square miles) under Lake Huron. From it comes more than seven million tons of highway salt every year. The mine is more than 152 metres (500 feet) underground.
Goderich, Ontario on Lake Huron
The mine was once part of a HUGE tropical sea that existed four hundred million years ago.
Another View of the Sifto Salt Mine
The salt bed was discovered in 1866 by a team hunting for oil and is North America's first recorded discovery of salt.
FYI: This same salt bed lies under Detroit, Michigan (U.S.A.)
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