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About Adit & Shaft Closures
Mining is an extremely important heritage in our state’s history. Over the years, due to natural degradation, weathering, and loss due to modern mining activities, many of the historic structures of the early mining era have been lost. Frontier has worked closely with the Colorado Division of Reclamation Mining and Safety as well as Cripple Creek & Victor Gold Mining Company to restore and preserve several of these important structures.