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Archive for August 10th, 2009

Above is an image of a Monazite mine in Shelby, NC, dating to ca. 1906. Monazite was used in the gas mantles of the late 19th century and early 20th century that provided incandescent light. According to an article in a 1907 bulletin published by the US Geological Survey, monazite mines in North and South […]

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