You know that Colorado got most of its start in the mining industry, but did you know that mining is still alive and well in some places? While you can easily tour one of the defunct mines, there are only a handful of working mines that allow for tours, including this one in Colorado that is one of the oldest operating in the world: 

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Do you have a favorite event, attraction, or restaurant that you would like to see featured on Only in Colorado? We want to hear about it here! For even more must-visit mines around the Centennial State, you will want to check out these 11 Colorado Caves And Mines Ready For Exploring.

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