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January 21, 2013 <br />Colorado Division of Reclamation, Mining, and Safety <br />Mr. Berhan Keffelew <br />Environmental Protection Specialist Hydrogeologist <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: M- 1984 -076 DDD Mine, Elbert County, Colorado <br />TR -2 Inert Fill Import <br />Dear Mr. Keffelew: <br />General Shale Brick, Inc. (GSB) is providing Technical Revision Number 2 (TR -2) which is a notice of <br />intent to backfill inert structural fill, generated outside of the permit area at the DDD Mine in the <br />western pit named DWR Mine per rule 3.1.5.9. We have enclosed a check for the TR fee of $216. <br />Placement of the scrap brick will assist in site reclamation by providing additional fill material as <br />replacement for mined materials. <br />The inert fill material will consist of scrap brick generated from the GSB's Denver brick plant. We <br />anticipate placing 45,000 tons of scrap brick into the pit. An affidavit is attached certifying that the <br />scrap brick mix is inert and "clean ". <br />We plan on hauling the scrap brick and placing it on the clay stockpile pad area (inside the current <br />disturbance boundary). Then when concurrent reclamation begins in 2014 we will place the scrap <br />brick into the pit. We do not anticipate any settling and voids due to the placement of these materials <br />because the materials will be placed in 5 -10 foot lifts, blended with the current overburden materials <br />and compacted. The scrap brick will be hauled starting on or about January 28, 2013 and ending <br />November 18, 2016. <br />These materials will not impact surface water runoff quality, because these materials does not contain <br />contaminants, and local area storm water runoff is diverted away from the mine disturbed area. The <br />scrap brick will not contaminate ground water because it has been fired to a high temperature. <br />Further, these materials will not be placed below the saturated zone. <br />Please feel free to contact me with any questions at 303 - 783 -3058. <br />Sincerely, <br />General Shale Brick, Inc. <br />Jason E. McGraw PE <br />Mine Supervisor <br />Enc: Affidavit and Check for TR Fee <br />General Shale <br />Building The American Dreamy <br />RECEIVED <br />JAN 23 ?013 <br />DIVISION OF RECLAMATION <br />MINING AND SAFETY <br />