Leadville mining waste cleanup plan sparks concern over use of cyanide denverpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from denverpost.com Daily Mail and Mail on Sunday newspapers.
Nick Michael thinks he has got a great idea. Collect ore and tailings from the slag piles scattered around Leadville, extract bits of silver and gold in a vat of chemicals and then store the waste in .
Nick Michael thinks he has got a great idea. Collect ore and tailings from the slag piles scattered around Leadville, extract bits of silver and gold in a vat of chemicals and then store the.