The Montana Mine produced gold, silver, lead, zinc and copper.
More recently, the mines have produced zinc and lead.
These produced zinc and vanadium but have since closed.
The district produced lead and zinc for over 100 years.
The district also produced iron, sulfur and zinc as byproducts.
The mine employed over 600 miners at its peak producing lead, copper, silver and zinc until it closed in 1929.
The mines employed over 600 miners at their peak, producing lead, copper, silver and zinc, until they closed in 1929.
It produced silver, gold, lead, copper, and zinc intermittently from its discovery until the mid-1870s.
Prior to this only calamine could be used to produce zinc.
The mine produces copper, zinc, and several other metals.