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• Its and Gesso, LLC <br />evaporation on an annual basis. The Applicant will secure outside sources of <br />water to account for losses in the aggregate processing operations. More <br />detailed information on water issues are addressed in Exhibit G -Water <br />Information and in the Temporary $ubstltute Supply Plan (TSSP). The TSSP is <br />not being prepared for the Applicant by Banks and Gesso, LLC. <br />The Applicant commits to constructing four piezometers along the eastem edge <br />of the property to allow monitoring of groundwater levels upslope of the slurry <br />wall. If lt is determined that the slurry wall creates a mounding effect along the <br />eastern edge of the property, the Applicant will install a French Drain system that <br />will allow water on the upslope side of the slung trench to flow around the barrier. <br />Details of the drain system will be provided if and when lt is determined that the <br />slurry wall is causing a mounding effect on the upslope side of the wall. <br />i imctauics wi ~wuunu anu rtr;ciamauon vuefauuns - rcuiC o.4.Y wt,lct <br />The mining, plant operations, and reclamation activities will occur in one phase <br />as described below: <br />The Applicant will initially erect the processing plant and the scale/office in the <br />northern portion of the site. The plant areas may then be relocated throughout <br />the site as mining conditions dictate. Prior to erecting the processing equipment <br />the site will be stripped of topsoil and overburden. Overhead power lines may be <br />constructed to provide power for the electric de-watering pumps and plant <br />equipment. Mining will maintain a minimum 200-foot setback from the rivers top <br />of bank (as defined by Urban Drainage and Flood Control District) and will <br />proceed with mined slopes nearing vertical. <br />After all materials have been mined, all processing equipment will be removed to <br />facilitate final reclamation of site. The shale materials excavated from the floor <br />may be processed and hauled offsite. Final grading and scarification will prepare <br />reclaimed lands for seeding. <br />Description of Overburden. Deposit and Underiving Stratum -Rule 6.4.4(f) <br />Based on the exploratory boreholes, the topsoil-0verburden ranges from one to <br />three feet in thickness. Based on the number of vegetable and other agricultural <br />crops grown in sun-ounding areas, the topsoils are anticipated to be very fertile <br />for reclamation efforts (please see Exhibit C-2, Natural Features Map). <br />The alluvial deposit to be mined varies in thickness from 10 to 32 feet in depth, <br />averaging 23 feet. The underlying bedrock on the property is the <br />Denver/Arapahce shale. The alluvial deposit has a reputation for being <br />processed into high-quality concrete aggregate and other construction materials. <br />Primary and Secondary Commodities -Rule 6.4.4(0) <br />Stagecoach Mine - Reguiar 172 aermit 01045 <br />Mabge P~em1x Concrete Inc 8 November, 2001 <br />