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View history; General ... This is a list of the largest mining companies in terms of revenue (in US billion dollars) ... List of largest manufacturing companies by ...
There are tens of thousands of abandoned mines in the United States. Many abandoned mines pose environmental challenges, such as acid mine drainage. In Colorado alone, there are 18,382 abandoned mines. [34] The United States has had many different environmental disasters caused by these mines, such as the 2015 Gold King Mine waste water spill.
The United States is also a major importer of iron and steel, as well as iron and steel products. Employment as of 2014 was 149,000 people employed in iron and steel mills, and 69,000 in foundries. The value of iron and steel produced in 2014 was $113 billion. [2] About 0.3% of the US population is employed by the steel industry. [3]
Uranium mining companies of the United States (1 C, 3 P) Pages in category "Mining companies of the United States" The following 57 pages are in this category, out of 57 total.
Pages in category "Map companies of the United States" The following 35 pages are in this category, out of 35 total. This list may not reflect recent changes .
North Carolina was the site of the first gold rush in the United States, following the discovery of a 17-pound (7.7 kg) gold nugget by 12-year-old Conrad Reed in a creek at his father's farm in 1799. The Reed Gold Mine , southwest of Georgeville in Cabarrus County, North Carolina produced about 50,000 troy ounces (1,600 kg) of gold from lode ...
This list comprises the largest companies currently in the United States by revenue as of 2024, according to the Fortune 500 tally of companies and Forbes. The Fortune 500 list of companies includes only publicly traded companies, also including tax inversion companies. There are also corporations having foundation in the United States, such as ...
Rank Mine County and State Owner Source of copper Annual production (thousand tonnes) 1 Morenci: Greenlee County, Arizona: Freeport-McMoRan (72%), Sumitomo Group (28%): Open pit, copper-molybdenum ore, producing copper cathode, copper and molybdenum concentrates