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

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Why This Matters

This article highlights the significance of the Whiskey Island salt mine beneath Lake Erie, which supplies essential road salt crucial for winter road safety in the Northeast and Great Lakes regions. The increased demand due to an unusually harsh winter underscores the importance of underground mineral resources in supporting infrastructure and public safety during extreme weather events.

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CLEVELAND, Ohio (AP) — 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 food giant Cargill, helps supply road salt across the Northeast and Great Lakes, where a colder, snowier-than-usual winter has driven demand. Many municipalities exhausted supplies that typically last through spring, said Cargill spokesperson Emily Tangeman.

“Our teams have been working overtime since September to support customers across the snowbelt,” Tangeman said in a statement, noting that early, persistent winter weather boosted demand across the industry.

George Campbell, maintenance supervisor, walks down an incline in the shop at the Cargill salt mine on Whiskey Island in Cleveland, Ohio, Thursday, March 19, 2026. (AP Photo/Sue Ogrocki) George Campbell, maintenance supervisor, walks down an incline in the shop at the Cargill salt mine on Whiskey Island in Cleveland, Ohio, Thursday, March 19, 2026. (AP Photo/Sue Ogrocki) Add AP News on Google Add AP News as your preferred source to see more of our stories on Google. Share Share Facebook

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