piedmont lithium wins us state mining permit after posting reclamation bond tesla supplier piedmont lithium has officially obtained a north carolina state mining permit after posting a $1 million reclamation bond to develop an open-pit mine that would become one of the largest us sources of the key battery metal   -lithium-officially-gets-nc-mining- permit-after-posting-reclamation-bo nd/#:~:text=tesla%20supplier%20pied mont%20lithium%20has,of%20the%20key %20battery%20metal.
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