2017-07-20_REVISION - M1983090 - Laserfiche WebLink

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July 17, 2017 Mr. Mark Johnson, Compliance Manager Bestway Concrete & Aggregates 301 Centennial Drive Milliken, Colorado 80543 Re: Stability Analysis Summary for the Existing La Poudre Gravel Mine (M -1983-090) Dear Mr. Johnson: This letter has been prepared to address the Mined Land Reclamation Board (MLRB) Construction Materials Rule 6, Section 4, Subsection 19, Exhibit S - Permanent Man -Made Structures (6.4.19, Exhibit S) for the proposed the existing N. La Poudre Gravel Mine. Per the Division of Reclamation, Mining and Safety (DRMS) when an amendment to an existingep rmit is filed the applicant is required to discuss prior operations and mining limits with respect to surrounding structures located around the existing permit boundary. This letter describes the existing La Poudre Mine boundary and existing activities related to slope stability. The site is located north of the Cache La Poudre River, east of WCR 13 and south of Highway 392. The site is within Section 19, Township 6 North, Range 67 West of the 6th Principal Meridian. The project is located in Weld County, Colorado as show in the attached amendment figures. Bestway Concrete & Aggregates has completed mining the original La Poudre mine. No further mining or excavation will occur in the current La Poudre Mine Limit or what's considered the Amended La Poudre area. STRUCTURES WITH 200 FEET OF ORIGINAL MINE BOUNDARY The known, permanent, man-made structures within 200 feet of the proposed mine areas that are not owned by Bestway Concrete & Aggregates are listed below: • Various Buildings (Land Owner) • WCR 13 / N. County Road 1 (Weld County Public Works)(Larimer County Public Works) • Overhead Power Line (Western & Eastern Boundary)(PVREA) • Drainage Easements (CDOT/Windsor) • Gas Line (Northern Boundary)(DCP) • Gas Line (Western & Northern Boundary)(XCEL) • Gas Facility (XCEL) • Telephone (West & North)(Century Link) • Pond (West of site)(United Water & Sanitation District) • Cable (West)(Comcast Link) • Cable (West)(Dark Com) • Various Gravel Mine Facilities (Bestway Concrete)