| Reference | {Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORTS APRIL 20-23, 1971,}{Deposit:: NOVEMBER 11, 1972, AND FEBRUARY 19 AND 20, 1975.}{Deposit:: FLOTATION MILL PRODUCES COPPER CONCENTRATES, IRON CONCENTRAT}{Deposit:: ZINC CONCENTRATES FROM SULFIDE ORES.}{Deposit:: FROM 1975 EMJ DIR-FEED CAP 6900 TPD, TONS ORE MILLED 1200000}{Deposit:: 1974 MESA EMP DATA-MILL 140 MEN. FROM 1-8-76 MEMORANDUM-ORE}{Deposit:: IN PERCENT, CU-.79, S-21.4, FE-31.6, ZN-.82, CONC GRADE IN P}{Deposit:: ZN-50, CU-17.5, FE-52.7.}{Deposit:: MSHA INSPECTION REPORT 8/21/81.} |