An incident at a former Colorado gold mine that killed a man and trapped a group of tourists for hours underground in 2024 was caused by "operator error," authorities said. Investigators ...

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 ...

DENVER — 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 by “operator ...