50 Years After Bunker Hill Mine Lead-poisoning Disaster, Idaho’s Silver Valley Still at Risk
August 30, 2023
On Sept. 3, 1973, a fire swept through the baghouse of the Bunker Hill mine in Idaho's Silver Valley. The building was designed to filter pollutants produced by smelting, the melting of rocks that separates metal from its ore. The gases produced in this process carried poisons, including lead.