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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 ...
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 ...
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.
In addition to gold and platinum, minerals like rock crystal, garnet, tourmaline, slate, wolframite, and the rare-earth element samarskite have been mined in Rutherford County. [17] Diamonds have also been found there, including one mined at the JD Twitty Gold Placer Mine in 1845. [18]
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).
Overall, North Carolina added 396,032 residents to its population between April 1, 2020, and last July 1, according to the Census Bureau. That’s a growth rate of 3.8%.
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
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 ...