| Reference | {Deposit:: BARNES, C W, 1946, GEOLOGY OF THE MANGANESE DEPOSITS WALNUT GROVE, ALABAMA: VIRGINIA UNIV MASTERS THESIS, 33P.}{Deposit:: PIERCE, W G, 1944, COBALT-BEARING MANGANESE DEPOSITS OF ALABAMA, GEORGIA AND TENNESSEE: US GEOL SURVEY BULL 940 J, P 265-285.}{Deposit:: 1980 RECON AGS}{Deposit:: CLARKE, O M JR, 1980, MANGANESE RESOURCES IN ALABAMA: ALABAMA GEOL SURVEY OPEN FILE} |