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- _~ <br />DEER CREEK QUARRY, INC. III IIIIIIIIIIIIIIII - <br />P.O. BOX 145 <br />Brighton, CO 80601-0145 <br />June 6, 1997 <br />R~r~i~~Fp <br />Jun 0 g 1881 <br />STATE OF COLORADO Olvl4i@!i ei mmoru~8 to 4aeeleQy <br />Division of Minera]s and Geology <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />Attn: Gary Curtiss <br />Re: Deer Creek Quarry MLRD Permit Application Adequacy Response <br />Dear Gary: <br />This letter together with the attachments shall serve as our response to <br />your letter dated May 16, 1997. This response follows the numbered items <br />of your letter. <br />1. Attached is an Exhibit C map showing the adjacent ownership and <br />the permanent man made structures. The boundary is shown as <br />requested. We have also shown on this map, the locations of the <br />operational stockpile, parking, processing and topsoil locations. <br />2. Please find enclosed a mining plan Exhibit D submittal with the <br />narrative of the mining operations. Also please find enclosed <br />copies of all of the final drainage submittals that have been <br />approved by the DMG under the old permit, as prepared by Tuttle <br />Applegate and implemented by Western Mobile (Rocky Mountain Rock <br />Products). <br />3. Please disregard the old maps dating back prior to the Technical <br />Revision that was granted under the old permit to Western Mobile. <br />Highwalls shall be 80 to 110 feet, as they currently are on site, <br />throughout the mining operation; both temporary during mining and <br />the permanent product after mining has been competed. The average <br />will be maintained at 90 feet. The benches will be maintained at <br />an average of 40 feet, and may be greater during the course of <br />mining. Tlie highwall slopes will be '•;:1 to i:l upon completion, <br />with the average being held within this range. Current walls are <br />averaging within this range, with none steeper. <br />4. The new enclosed Exhibit F «ap shows the 20 acre boundary which <br />coincides with the current Jefferson County approved mining area. <br />We will consider this our Phase I mining area, within the 75+ <br />acre MLRB permit boundary. Upon enlargement of the county area <br />we will submit our phase I1 mining plan and map. However, the <br />total disturbance area, unreclairned will actually decrease, since <br />the landowners have asked that the road up to the scale area <br />be left remaining upon completion of the mining. A letter from <br />them is attached. Please note that based upon the current county <br />trucking limitations in place, the phase I mapped area will provide <br />up to 16 years of reserves, at maximum shipping rates. -.-~ <br />