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Alaska Treadwell Gold Mining Company Stock Certificate

The Treadwell mines pioneered in the field of low cost mining and the use of hydroelectric power. The power was used to convert all of the steam-run hoists and mills into economical electrically driven machines. !

• used
• was
• use
• all
• gold
• into
• Certificate
• field
• Low
• company
• Power
• Alaska
• Machines
• STOCK
• Mining
• cost
• Mines
• Mills
• pioneered
• Driven
• Treadwell
• hydroelectric
• convert
• steam-run
• hoists
• economical
• electrically