Bulletin 940-J COBALT-BEARING MANGANESE DEPOSITS OF ALABAMA, GEORGIA, AND TENNESSEE BY W. G. PIERCE Strategic...Augusta mines..................................... Daughdrill prospect.............................. North........^...................... t . Berkstresser property............................ Penland HiU........................................ Coble, Hickman County, Tenn.......................... Silver Bluff, S.................... Manganese-silicate veins of Alabama, Georgia, South Carolina, and North Carolina.. |