Show COlORADO MINING OUTPUT liGHTER liGHTERD D Data ta compiled b by the Visited United States Stales geological r survey ulvey covering o the Colorado Colo Cob rado ll mineral minerai output In 1918 InS place the total alue value at This Is compared com corn I pared with in 1917 This 1918 estimate Is be in hI gold ounces of or silver 6 pounds of lead 6 pounds of or copper copper cop cop- per por and pounds of or zinc This estimate shows shots's a n. decrease of oC 2900 in gold ounces in silver pounds in load pounds in copper and pounds In zinc At t tho the Increased price for silver the value aluc of oC the tho silver yield was tas greater than in 1917 but the tho value alue of oC copper decreased lead and ami zinc Tho The five lead copper plants at itt allda Globe Pueblo Durango and anti Lead were operated steadily with an actual increase in tonnage front from Colorado mines but a decrease in to tonnage from outside states slates particularly in Iii zinc res rca 1 idues ii U es Copper ore and matto matte and cyanide precipitates were shipped from Crom Colorado Colo Colo- rado to the smelter at Omaha and andorno somo orno copper and anti lead ores were shipped shipped ship ship- ped fled to plants in Utah Dolores Volores county Rico yield showed small decreases for tor gold old silver and copper and appreciable decreases for lead and zinc The era a average c price for recovered metals used in this tills statement are arc as follows ii 1917 1918 Gold per pcr ounce ounce Silver U per ounce st Copper tier per pound n n Lead Leach per Jer or pound 07 1575 ZInc per pel pound to os |