I was curious what they were mining and a quick google search found this...."In 2017, Greens Creek Mine produced approximately 8,351,882 ounces of silver, 50,854 ounces of gold, 52,547 tons of zinc, and 17,996 tons of lead."
Approx current prices....
Silver - $17/oz
Gold - $1,700/oz
Zinc -...