One of the largest salt mines in the world exists under Lake Erie

The Whiskey Island salt mine, owned by food giant Cargill, helps supply road salt across the Northeast and Great Lakes, where ...

Located 1,800 ft beneath Ohio is one of the world’s largest salt mines

Massive salt mine 1,800 ft under Lake Erie works overtime to meet winter road demands - Many municipalities have already depleted their typical winter salt reserves, which usually last well into sprin ...
The Canadian Press on MSN

See inside a vast salt mine under Lake Erie helping keep roads clear

Below Cleveland, in a subterranean world many surface dwellers don’t know exists, miners extract a crucial winter mineral — salt. The Whiskey Island salt mine, owned by Cargill, helps supply road salt ...