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1 <br />t <br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br /> <br />1 <br />1 <br />EXHIBIT D <br />MINING PLAN <br />The mining of the Bromley Lakes pro,7ect will occur in two phases. <br />The initial phase involves the setup of the plant area. The <br />second phase is the ongoing mining operation. <br />The entire site has an average depth of 27 feet to be mined. The <br />overburden on the property varies from 0 to 3 or 4 feet. <br />Inspection of the site reveals a large amount of gravely material <br />at the surface. <br />Much of the eastern boundary of the permitted area is the McCann <br />Ditch. The mining operation proposes to relocate the McCann <br />Ditch in three spots. The first location will occur at the <br />northeast corner of the mining area. Here the ditch will be <br />relocated to the permit boundary and will exit the property at <br />its present location. In the midsection of the eastern side at <br />the plant site, the ditch will be improved and straightened. <br />6everal crossings on culverts for equipment will be located along <br />this reach of the ditch. The last ditch relocation will occur at <br />the southeast earner. We have reached a verbal agreement with <br />tfie McCann Ditch Hoard. Prior to the Board meeting we will <br />provide a written agreement between Ready Mixed Concrete and <br />McCann Ditch Board. <br />The method of mining will 6e dragline. There is a water table 3 <br />to 4 feet below the surface insuring wet operation conditions. <br />The water will be discharged into the South Platte River. <br />Mining will.proceed to a depth of 27 Peet or until the Pierre <br />shales are encountered. The sand and gravel resource will be dug <br />by the dragline and then windrowed for several days. The <br />material will then be loaded on a conveyor belt which will convey <br />the material to the plant site far processing. The side slopes <br />of the pit will be mined at a 1:1 toc:l slope then backfilled to <br />the 3:1 to 2:1 configuration. <br />The site will be reclaimed as the mining progresses. Generally <br />we anticipate 15 acres per year to be mined, pt this rate the <br />mine will last approximately 20 year-s. Marketing conditions and <br />demand will affect the amount of material produced each year and, <br />they-efor-e, the length of the mining operation. <br />There are no toxic or acid producing material associated with the <br />mining operation. <br />D-1 <br /> <br />