Valles Mines, Missouri, U S A
Founded in 1749 by Francois Valle in the French Upper Louisiana before Lewis and Clark. 275 years later the Valle Mining Company's 4000+ acre property every year absorbs 21,000 tons of carbon dioxide and generates
14,000 tons of oxygen, enough to meet the needs of 63,000 people. [USDA Forest Facts]
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Exhibit: Windlass for Hauling Ore Up Out Of A Mineshaft

At the Museum Annex, Restoration is in progress



From "Details of Practical Mining", McGraw-Hill London 1916,

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Used for centuries all over the world