Sometimes racial tension boils over into violence.
"It was obviously the dirtiest coal-fired plant in the West."
The Black Mesa and Kayenta mines became the largest coal strip-mining complex in the world.
"Water has the power to take life and to give life. If you don't respect it, you might find yourself in a serious situation."
When the mines closed, a poisonous silence settled over Butte.
The Granite Mountain mine fire killed 168 miners, sparking a strike.
"Every night I prayed that I’d get killed instead of gettin' crippled."