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K*mKelleyTruckinglnc. <br /> Earthnio,Ang Contractors <br /> 6201 McIntyre Street . Golden,Colorado 80403 <br /> Ph#(303)279-4150 Fax#(303)279-4799 <br /> Exhibit D — Mining Plan <br /> The proposed permit area is located in unincorporated Adams County and consists of an <br /> affected area of 117.82 acres of land that is currently covered with non-crop vegetation and is <br /> classified as Agricultural (A-3) by Adams County. The current topography of the land generally <br /> slopes down towards the North and North East.The direction of slope and path of drainage at <br /> the site will remain relatively the same after reclamation is complete. Prior to any mining taking <br /> place the topsoil will be stripped to a depth of 4"-12" and stockpiled onsite, location to be <br /> determined in field and SWMP amended as needed, to be relayed during the reclamation of the <br /> mine. The stockpile will be segregated from the mining activities to assure the integrity of <br /> topsoil is maintained until it is relayed. If the topsoil stockpile will not be disturbed for more <br /> than 14 days the stockpile will be properly stabilized in accordance with CDPHE permit <br /> regulations. In the event that a stockpile may be exposed for 120 days or longer, a seed mix <br /> consisting of native species, or the final reclamation seed mix, will be utilized to help establish a <br /> more beneficial seed bank. Topsoil will be stripped to allow for an area that will provide <br /> approximately 4-6 months of mining. Stripping of topsoil will begin on the north end of the site <br /> and once topsoil is stripped the extraction of the material will begin, and continue, moving <br /> toward the southern limits of the affected lands with reclamation and the stripping of topsoil <br /> happening concurrently. As more topsoil is stripped to maintain the 4-6 month mining zone, the <br /> reclamation of the area that has been mined will commence in order to maintain a minimal <br /> level of overall disturbance at the site. It is anticipated that the mine will work with an exposed <br /> area of 20-30 acres. <br /> The material will be mined using conventional earthmoving equipment, such as excavators, <br /> graders, loaders and scrapers. No explosives, blasting or any means other than conventional <br /> earthmoving equipment throughout the life of the mine will be utilized, to include any type of <br /> mining fluids. Once extracted,the material will be directly loaded into on highway tractor <br /> trailers from its natural location. Other than the topsoil there will be no stockpiling of any <br /> materials onsite. The means and methods that are used to extract and export the material will <br /> remain the same throughout the life of the mine. <br /> The environment at the mine will be constantly changing and the onsite haul routes will evolve <br /> just as often. This being the case the onsite haul roads will be compacted roads cut into the <br /> native material. Though the onsite haul routes will be changing the main entrance and exit to <br /> the site will remain the same.The entrance to the site will be located on the east side of <br /> Watkins Rd. approximately .5 miles south of East 72 Ave. Both Watkins Rd. and E 72"d Ave. have <br /> been built per the Adams County Typical Rural Residential road cross section. Both roads being <br /> 30-36 feet wide the roads will be able to handle uninhibited two-way traffic of tractor trailers <br /> and is not anticipated that any of the roads outside of the mine will need to be improved prior <br /> to the commencement of mining operations. <br />