| Reference | {Deposit:: JONES, E.L. JR.; RANSOME, F.L.; 1920; DEPOSITS OF MANGANESE ORE IN ARIZONA: U.S.G.S. BULLETIN 710, P. 183}{Deposit:: WILSON, E.D.; BUTLER, G.M.; MANGANESE ORE DEPOSITS IN ARIZONA: ARIZ. B.M. BULLETIN 127, P. 102}{Deposit:: KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 192, P. 115}{Production:: (8) KEITH, S.B., 1978.} |