In December, a closed rock salt mine partially collapsed. The area had been previously evacuated. Gabriela Sá Pessoa, The Associated Press ...

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But extracting the coveted salt means descending into dark caves, then blasting and carrying heavy rock. Faizan Panjwani: The problem is the massive size of the blocks that come from the mine.

Beneath the waters of Cayuga Lake, a salt mine that has been in operation for over 150 years is working tirelessly to meet the increased demand. Shawn Wilcyznski, facility manager at Cargill in ...