Reference | {Deposit:: JONES, E.L. JR. AND RANSOME, F.L., 1920 , DEPOSITS OF MANGANESE ORE IN ARIZONA: U.S.G.S. BULLETIN 710-D, P. 177}{Deposit:: FARNHAM, L.L. AND STEWART, L.A., 1958 , MANGANESE DEPOSITS OF WESTERN ARIZONA: U.S.B.M. INFORMATION CIRCULAR 7843 , P. 63 - 4} |