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Mining Lights and Hats. The depth, the dark, and the dangers inherent in mining created a uniquely dangerous working environment for the miner.
Its Effect on Copper Mining. The Industrial Revolution brought about a tremendous change in the production of copper and its alloys. In the first place, an insistent ...
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Gold (IPA: /ˈgold/) is a chemical element with the symbol Au (from the Latin aurum) and atomic number 79. It is a highly soughtafter precious metal which, for many ...
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From Gold Ore to Bat Guano: Aerial Mine Tramways in the West Robert A. Trennert* When famed mining engineer T. A. Rickard toured the San Juan Mountains in 1903,
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