The Ontario Group Of Mines
The Ontario Group Of Mines, which are now owned by Michael Carey, state senator, are located on Warm Spring creek, twelve miles west of Ketchum, in Blaine county, Idaho. They yield galena ore silver and lead and the veins extend east and west, dipping toward the south, and average from three to three and a half feet in width. The ore has an average yield of forty per cent, lead, eighty ounces of silver and three dollars in gold to the ton. These mines are worked by tunnels, which thus afford drainage and permit the ore to be run out … Read more