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RockTalk: Mining and the Environment

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This edition of RockTalk explores the geological, mining, and environmental history of the Upper Alamosa River basin. Digital PDF download. RT-04-02D

From the Introduction:

Mining in the Alamosa River basin was an important part of our State’s early development, especially in the Summitville mining district. In 1883 this district was the third largest gold producer in Colorado. Mining activity in the Alamosa River basin has waxed and waned over the years, but the area has always attracted interest because of its significant gold occurrences. Unfortunately, without environmentally sound development of our natural resources, there may be undesirable consequences.