The scale is astonishing: nearly 100 trucks, each one carrying 320 tons (640,000 pounds) of ore, running 24 hours a day, 365 days a year. The trucks crawl along at 10 to 15 mph, carrying ...
The deepest open pit in the Earth is the Bingham Canyon Mine in Utah, which was dug with excavators and explosives in the early 1900s to mine copper ore. The pit of the mine is 0.75 miles (1.2 ...
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