St. Kevin conc.0.2 18.0 2.4 -- 25 210.7 .08Leadville, Colo.Franklin Mine conc.0.3 7.3 6.5 7.8 15.0 44.0 4.16Idaho Springs, Colo.Cashier Mine 1.4 2.6 1.5 6.0 39.5 59.1 .12Summit County, Colo.Black Cloud conc.1.2 49.0 .6 -- -- 5.4 .04Leadville, Colo.Leadville Silver &-- 3.5 1.9 ...