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Mponeng is an ultra-deep tabular gold mine in South Africa in the Witwatersrand Basin of the Gauteng Province. [1] Previously known as Western Deep Levels No1 Shaft, the mine began operations in 1986. [2] It is one of the most substantial gold mines in the world in terms of production and magnitude, reaching over 4 kilometres (2.5 mi) below the ...
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This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
The Formation of the North Carolina Counties, 1663–1943. Raleigh: State Dept. of Archives and History, 1950. Reprint, Raleigh: Division of Archives and History, North Carolina Dept. of Cultural Resources, 1987. ISBN 0-86526-032-X; Powell, William S. The North Carolina Gazetteer. Chapel Hill: University of North Carolina Press, 1968. Reprint ...
The belt is best known for old abandoned gold mines. North Carolina led the nation in gold production for 50 years , between the discovery of a 17-pound (7.7 kg) gold nugget at the Reed Gold Mine in Cabarrus County, NC near Charlotte in 1799 and the discovery of gold during the California Gold Rush of 1849.
Some of North Carolina’s wealthiest counties are in the Triangle. Financial tech company SmartAsset published a story recently that shows the richest counties among the state’s 100. The top ...
Here’s a list of the 10 poorest counties in North Carolina, according to SmartAsset: #1: Robeson County. Median income: $36,736. Investment income: $26,909. Median home value: $124,124 #2 ...
These mines all had a major impact and played important roles in the county's mining history. The Russell Mine, one of the larger producers in Montgomery County, had a total production of around 15,000 ounces of lode gold. This mine included several open pits and underground workings that attained a depth of over 200 ft (61 m).