Once bustling with the chatter of miners and the clinking of pickaxes, Colorado's abandoned mining towns stand today as silent witnesses to a time of great ambition and bitter disappointment.

Several sites in Colorado would fit well with the pilot program, said Jason Willis, director of Trout Unlimited’s Western Abandoned Mine Lands Program. More than 23,000 abandoned mines dot ...

The watershed is located in northwestern Boulder County, near the towns of Ward and Jamestown in the area of the historic Jamestown Mining ... Colorado Council on Research and Creative Work, 2004-2005 ...

The term "ghost town" is often used to describe a wide range of deserted communities, from once-thriving industrial hubs to remote mining outposts. While there is some debate over the precise ...

Credit: Illustration by Julia Wytrazek / Getty Images There are about 500,000 abandoned mines in ... In the gold rush state of Colorado, about "13,500 mine features have been closed so far ...

DENVER — A new law decades in the making could finally lead to the cleanup of some of the thousands of abandoned mines in Colorado that leak toxic metals and acid into the headwaters of the ...