| Reference | {Deposit:: KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 131 .}{Deposit:: MAYUGA, M. N., 1942 , THE GEOLOGY AND ORE DEPOSITS OF THE HELMET PEAK AREA, PIMA COUNTY, ARIZONA: UNIV. ARIZ., PHD THESIS, P. 117 .}{Deposit:: WILSON, E. D., 1950 , ARIZONA ZINC AND LEAD DEPOSITS PART 1 : ARIZONA BUREAU OF MINES BULLETIN 156 , P. 47 - 48 .}{Deposit:: NMBM AND MIN RES BULL 65, P16, 30.}{Production:: ( 8 ) ABM BULLETIN 189 , P. 137 . ( 1 , 2 , 3 ) MAYUGA, 1942 .} |