The mining legacy goes back to the early 1800's leaving us with more than 500,000 abandoned mine openings nationwide. These old mines and water-filled pits and quarries pose a multitude of hazards. The Utah Bureau of Land Management, Utah Abandoned Mine Reclamation Program and Colorado Inactive Mine Reclamation Program have cooperatively produced this video as an educational tool to show the dangers associated with abandoned mines.
24 июл 2012
