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| Minnesota Facts |
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On September 2, 1952, a 5 year old girl was the first patient to under go a heart operation in which the deep freezing technique was employed. Her body temperature, except for her head, was reduced to 79 degrees Fahrenheit. |
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The Hull-Rust mine in Hibbing, Minnesota became the largest open-pit mine in the world. |
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For many years, the world's largest twine ball has sat in Darwin, Minnesota. It weighs 17,400 pounds, is twelve feet in diameter, and was the creation of Francis A. Johnson. |
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