The death of a tour guide at a Colorado mine tour in October was caused by "operator error," a recently concluded investigation found. Several local and state agencies wrapped up an investigation ...

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 obtained by The ...

An incident involving an elevator at a former Colorado gold mine that led to the death of a tour guide and trapped a group of tourists for hours last year was caused ...