Sources: U.S. Department of Agriculture, Forest Service; CP staff The USDA Forest Service has opened to public comment a 20-year Mining and Reclamation Plan of Operations that Phoenix-based Drake Cement LLC penned with an eye to extracting 300,000 to 500,000 tons of concrete-grade, natural pozzolan from a Kaibab National Forest parcel. The deposit is part of the existing Williams Quarry,…
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