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Banks and Gesso. LLC <br />The operation may also include a concrete and/or asphalt manufacturing facility. <br />Potable and sanitary water needs will be supplied by water trucked onto the site from <br />vendors. Any consumable water required to fill other demands above will be adequately <br />supplied by operator interests, including commitments and options through the lessor <br />land owner, in irrigation supplies in the Last Chance Ditch or Rising Sun Ditch. The <br />operator may also seek to permit a deep well or use of the gravel well, as appropriate, to <br />fulfill water demands. <br />Surface Water <br />The Colorado River lies northeast of the site, adjacent to approximately 1,000 linear feet <br />of the permit boundary. Two ditches and laterals cross the permit property. Drainage <br />within the permit boundary is sheefflow toward the Colorado River. <br />The mining plan submitted with this package minimizes the potential for surface water <br />effects. No in-line mining is proposed and the mining plan also seeks to avoid impacts <br />to other waters of the United States, such as wetlands. The land surface will be <br />exposed to runoff during mining and reclamation, therefore standard industry water <br />quality protocols will be observed on the site. A Colorado Discharge Permit System <br />(CDPS) permit, implementing the NPDES program in Colorado, will be obtained when <br />necessary prior to commencement of operations. <br />Wetlands have been provisionally located on the site as illustrated on Exhibit C-1. The <br />delineation of wetlands is subject to concurrence of the U.S. Army Corps of Engineers, <br />and that concurrence is being sought at this time. Should jurisdictional wetland <br />boundaries require the adjustment of wetland and/or mining areas included in the <br />present Exhibits, the Applicant will submit appropriate documentation to adjust Exhibits <br />and avoid mining in all waters of the U.S. <br />Groundwater <br />Based on proximity to the Colorado River and the shallowness of the alluvial aquifer of <br />the Colorado River, the Applicant has retained the services of a hydrogeologist to model <br />the potential groundwater effects of the mining proposal and suggest mitigation <br />techniques where appropriate. The pumping requirements for dry mining have been <br />Grand River Park Project 05021 <br />Silt Sand & Gravel LLC 18 May 2006 <br />