Mining in the Claremont Quadrangle
Mining began in the Claremont Quadrangle sometime before 1930, as field mapping throughout the 1920s and 1930s found old surface mining pits that had been dug. Most of the pits were very small and very shallow, usually working coals along an outcrop near streams. The only area known to have been worked over several years is the Calhoun Mine (mine index 4665), where known production took place around 1925 and recent mining was noted in 1936.
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Mines that Appear on the Claremont Quadrangle