Anaconda Copper Mining Company

Berkeley Pit Mine Closes on Earth Day, Pumps Shut Off, Creating Toxic Lake Superfund Site

| Importance: 7/10

Atlantic Richfield Company (ARCO) closed the Berkeley Pit copper mine on Earth Day 1982 and immediately shut off the pumps that had kept groundwater out of the massive excavation, beginning the pit’s transformation into one of the most toxic bodies of water in North America. The corporate …

Atlantic Richfield Company (ARCO) Anaconda Copper Mining Company Environmental Protection Agency (EPA) Montana Department of Environmental Quality Montana Resources environmental-damage superfund mining-industry corporate-externalities toxic-contamination +2 more
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Frank Little Lynched: IWW Executive Board Member Murdered by Vigilantes in Butte

| Importance: 7/10

In the early morning hours of August 1, 1917, six masked men dragged IWW executive board member Frank Little from his Butte, Montana boarding house, tied him to the rear bumper of an automobile, dragged him through the streets, and hanged him from a railroad trestle. A note pinned to his body read …

Frank Little Industrial Workers of the World (IWW) Anaconda Copper Mining Company Butte vigilantes labor-suppression corporate-violence iww progressive-era mining +1 more
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Speculator Mine Fire Kills 168 Workers: Anaconda Safety Failures Trigger Butte Strike and Repression

| Importance: 7/10

On June 8, 1917, a fire broke out 2,400 feet underground in Butte, Montana’s Speculator Mine when an assistant foreman’s carbide lamp ignited the frayed insulation on an electrical cable. The fire spread rapidly through the mine’s timber supports and ventilation system, trapping …

Anaconda Copper Mining Company Industrial Workers of the World (IWW) Metal Mine Workers' Union Montana National Guard labor-suppression mining-safety iww progressive-era corporate-negligence
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Montana Voters Pass Corrupt Practices Act Banning Corporate Political Spending

| Importance: 7/10

Montana voters approved the Corrupt Practices Act by ballot initiative with 76% support, establishing one of the nation’s strongest bans on corporate money in elections. The law responded directly to decades of systematic corruption by the “Copper Kings” - mining barons William A. …

Montana voters William A. Clark F. Augustus Heinze Marcus Daly Anaconda Copper Mining Company +1 more campaign-finance ballot-initiative corporate-corruption political-reform copper-kings +2 more
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Anaconda Copper Shuts Down All Montana Operations to Force Legislative Changes

| Importance: 8/10

The Amalgamated Copper Company (later Anaconda Copper Mining Company) executed an extraordinary act of corporate extortion by shutting down all mining operations across Montana, deliberately putting 15,000 workers out of work to force the state legislature to pass laws favorable to the company. This …

Amalgamated Copper Company Anaconda Copper Mining Company F. Augustus Heinze Judge William Clancy Governor Joseph Toole +1 more corporate-power institutional-capture economic-extortion legislative-corruption corporate-personhood +2 more
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