DENVER, Colorado - More than 1 billion gallons of contaminated water — enough to fill 1,500 Olympic-sized swimming pools — is trapped in a tunnel in the mountains above the historic town of Leadville and threatening to blow. The water is backed up in abandoned mine shafts and a 2.1-mile drainage tunnel that is partially collapsed, creating the pooling of water contaminated with heavy metals. Full Story - Discount Magazine Subscriptions - Discount Cigarettes & Tobacco - Nutty News Marketplace - Sport Chalet