Reference | {Deposit:: WILSON, E.D. AND BUTLER, G.M., 1930 , MANGANESE ORE DEPOSITS IN ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 127 , P. 76 - 8}{Deposit:: JONES, E.L. JR. AND RANSOME, F.L., 1920 , DEPOSITS OF MANGANESE ORE IN ARIZONA: U.S.G.S. BULLETIN 710 - D, P. 151 - 3}{Production:: U.S.G.S. BULL. 710 - D, P. 151 - 3} |