Hidden Treasures: Rocks And Minerals Of The South Carolina ...
Although there were small Piedmont iron mines at Blacksburg and at Nanny's Mountain near Bethel during the Revolutionary and Civil Wars, today the red clay itself is a resource of much greater value than our sparse iron reserves. For example, there were no active South Carolina iron mines in 1987, but that year clay pits in the Piedmont yielded more than 38 million in .