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​In-Stream Aggregate Extraction and Reclamation Guidance - This publication provides guidance for operators to conduct in-stream aggregate extraction while minimizing environmental effects to stream channels, riparian zones, wetlands, aquatic wildlife, and the in-stream ecos​ystem of the mined and adjacent areas. The Board and DRMS want to emphasize that this is a guidance document only and is not a rule or regulation.   

Colorado's Active Coal Mines - For summar​y data on Colorado's Active Coal Mines (including mine type, production, no. of miners, acres [permitted, afected, disturbed] and bond amount, click here.