Mining History


Question Answer Notes
What tragic 1972 event in mining became a key motivator for the passing of the Federal Mine Safety and Health Act of 1977? Sunshine Mine Disaster 91 miners died of carbon monoxide poisoning resulting from a fire at the Sunshine Mine in Kellogg, Idaho.
Name three mine safety deficiencies highlighted by the 1972 Sunshine Mine Disaster. Miners did not know how to use their self-rescuers; Miners did not know how to get out of the mine; Miners did not know that their self-rescuers got hot when it was working in a CO environment; Mine safety training was insufficient; Special mine personnel such as underground hoist operators require special training and equipment; Anything can burn given the right circumstances  
Which disaster opened our eyes to the dangers of silica exposure? A. Upper Big Branch; B. Hawks Nest Tunnel; C. Sunshine Mine; D. Sago Mine B. Hawks Nest Tunnel  
True or false: The Hawks Nest Tunnel Disaster caused over 450 deaths from acute asbestosis. False  
Which mine disaster was characterized by a lightning strike igniting a methane buildup which ultimately led to the deaths of 12 miners? A. Upper Big Branch; B. Sunshine Mine; C. Sago Mine C. Sago Mine  
True or false: The Upper Big Branch disaster was a catastrophe because so many miners lost their lives when the mine flooded. False