2010-09-21_REVISION - M1978170 (4)

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DELTA COUNTY, COLORADO Office of the County Engineer Delta County Courthouse 501 Palmer Street, Suite 227 Delta, Colorado 81416-1796 RECEIVED Phone: 970-874-2035 or 874-5914 FAX 970-874-2455 17 September 2010 Travis Marshall State of Colorado Department of Natural Resources Division of Reclamation, Mining, & Safety 101 South 3rd Street; Suite 301 Grand Junction, CO 81501 re: Ellison Gravel Pit - revision to ning plan request permit number: M-1978-170 enclosures: revision map - dated: 10 September 2010 ?Y P ?_ 3 2010 Division or k6clarnation, Mlning and Sa*y RECEIVE" SEP 21 2010 GRAND JUNCTIOiN HI:,D OFFICE Dig 00N OF REC? A?. AT:0. 1 i'f!A.IA!r , SaA FF:Ty payment - made to Division of Reclamation, Mining, & Safety for $216 Dear Mr. Marshall: This letter is to request a revision in the County's mining plan for our Ellison gravel pit. The purpose of the modification is to accommodate a Tri-State power line location project. Tri-State has requested an easement for their project on a segment of the northern boundary of the pit as well as along the western boundary of the property. Only the segment on the northern portion affects mining operations and is the reason for this request. Tri-State's project is the sole reason for the revision, with the County having no interest in plan changes otherwise. The revision intends to address the need to remove gravel from the Tri-State easement on the northern boundary of the phase IV mining plan. Any overburden or topsoil would be removed and segregated from the gravel from the easement and the designated storage area and stored adjacent to the easement. None, or little of this material is thought to actually exist, but will be accounted for in this fashion should that not be the case. The gravel would then be removed from the easement area as well as the side slope form that will be introduce from the mined easement to a point at the top of the slope. The gravel will be stored adjacent to the easement a minimum of fifty feet from the cut of the introduced side slope. The side slope will be finished to a 3:1 form from the easement boundary to the top of the slope. The mined gravel material will remain on site, stored and not removed until the County enters the phase IV of the mining plan. The County currently is in phase II of the mining plan. Topsoil and overburden, if any, will be used as part of the reclamation of the operation at the appropriate time. M:\Engineering\Gravel Pits\county gravel pits\sites\Ellison\Tri State\2010miningPlanRevision.doc Page 1 of 2