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<br /> <br />EXHIBIT D <br />Mining Plan <br />Riverview Resource property has a significant commercial deposit of sand and gravel located in <br />the alluvium of the Cache La Poudre River in Weld County. There is an existing mining <br />operation immediately to the west of this property and agricultural type uses to the north. To the <br />south is vacant property currently within the City of Greeley, which is planned for residential <br />development. To the east is a mixture of residential uses, commercial uses and a dairy. <br />The site consists of irrigated farm and pastureland. Some wetland areas and woody vegetation <br />occur on either side of the Poudre River. The power transmission line located on the west side of <br />the property, running northwest to southeast, will be avoided during the mining process. <br />The topography of the site is generally flat except along the portion near "O" Street. This area is <br />ten (10) to fifteen (15) feet higher in elevation than the azea near the river and is out of the 100 <br />year floodplain. <br />The sand and gravel deposit varies in thickness from four (4) [o thirty (30) fee[. The overburden <br />thickness varies in thickness from two and one-half (2'/z) to eleven and one-half (11'h) feet. <br />The deposit will be mined dry through use of dewatering trenches and pumps. Initially the topsoil <br />and overburden will be stripped by scrapers and stockpiled. Later these stockpiles will be used in <br />reclaiming and sloping the Lakeshore. <br />With in-progress reclamation, it is the intent of the operator to replace the overburden and topsoil <br />in its final location quickly. As mining progresses, the operator will replace the topsoil and <br />spread it on the Lakeshore slopes immediately after it is stripped from a new mining azea. <br />f~irection of mining is generally away from the river. When the alluvium is sufficiently dry, <br />front-end loaders will excavate the material and deposit it either on haul trucks or on a system of <br />conveyors, which will transport the material to the aggregate processing azea. Last, the <br />processing azea will be mined, after which all equipment will be moved offsite. <br />The processing area contains the crushing, screening concrete and asphalt plants and washing <br />equipment for the raw material. Most of the material will be washed for use in the on-site <br />concrete plant and sold as aggregate. Annual production will depend upon the demand for <br />construction materials. The anticipated production is approximately 500,000 tons per year. This <br />production will also vary depending on the amount of outside sales. <br />Generally we believe the mine will progress according to the following time table: <br />Cell A 1-2 years 21.94 acres <br />Cell ] 1-2 years 22.87 acres <br />Cell 2 3-4 yeazs 55.07 acres <br />River View Resource, CAAfAS Colorado, /nc. <br />OMG / lI Permit <br />Page 4 <br />