Reference | Pierce, W.G., 1944, Cobalt-Bearing Manganese Deposits Of Alabama, Georgia, And Tennessee: U.S.Geological Survey Bulletin 940-J., P.265-285.Pierce, W.G., 1944, Cobalt-Bearing Manganese Deposits Of Alabama, Georgia, And Tennessee: U.S.Geological Survey Bulletin 940-J., P.265-285. |