London Mill

MESA HEALTH AND SAFETY INSPECTION REPORTS APRIL 20-23, 1971,NOVEMBER 11, 1972, AND FEBRUARY 19 AND 20, 1975.FLOTATION MILL PRODUCES COPPER CONCENTRATES, IRON CONCENTRATZINC CONCENTRATES FROM SULFIDE ORES.FROM 1975 EMJ DIR-FEED CAP 6900 TPD, TONS ORE MILLED 12000001974 MESA EMP DATA-MILL 140 MEN. FROM 1-8-76 MEMORANDUM-OREIN PERCENT, CU-.79, S-21.4, FE-31.6, ZN-.82, CONC GRADE IN PZN-50, CU-17.5, FE-52.7.MSHA INSPECTION REPORT 8/21/81.