Today, the library--one of the largest television collections in history--is stored 54 stories underground in a climate-controlled salt mine near Kansas City, Kan.

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Cheshire's Winsford salt mine, the biggest supplier of rock salt in England, has said it only has a few days' supply of surface salt left.

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Their proposals include cutting opening hours by 16% and reducing staff and access to documents, some of which will be stored in a Cheshire salt mine.

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Restrictions on lorry movements to and from the Winsford mine in Cheshire, the UK's biggest rock salt mine, have been eased to help meet a huge demand for salt.

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Hidden for years in an Austrian salt mine, it was finally returned to Prague at the end of the war, only to be confiscated again by the Communists in 1948.

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Eventually the big Botticelli pictures were so identified with the soul of their country's heritage that Hitler buried them in a salt-mine with orders to destroy them if he lost the war.

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Many are desperate to re-stock their road salt but supply chain pressures from mine to highway depot looks like resulting in some areas running dry.

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In the mine, dug through ancient salt deposits, WIPP will ultimately hold a total of 850, 000 barrels of lightly contaminated items like tools and clothing -- trucked in from ten nuclear weapons facilities around the country.

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