DENVER (AP) — A tour guide killed at a former Colorado gold mine last year fell out of a crowded elevator taking tourists below ground after apparently not latching its door closed, documents ...

According to Quantec geoscientists, a deposit with this large size and this high of a conductivity (extremely low resistivity) is likely ...

Colorado Sen. Micheal Bennet’s efforts to compensate business owners who were financially harmed by the 2015 Gold King Mine spill have been impeded by yet another roadblock – the passage of stopgap ...