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<br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br />1 <br />Exhibit C - Mining Plan <br />The area has been previously disturbed by both surface and underground <br />clay mining operations dating from a number of decades past. The nature of <br />the subject area is similar to a number of small clay-mining properties <br />located in the area. The permit area, existing mine-related disturbance <br />and other pertinent features are illustrated on the accompanying Exhibit E- <br />2 map. <br />Material extracted from this site, hereafter referred to as the <br />Merritt Clay Pit, will be transported to Castle Rock and used to <br />manufacture brick at the company's plant. The product is used to create <br />buff-colored brick products. <br />' The rock to be mined at this site are shales and other suitable brick- <br />' making units about 40 to 60 feet in thickness. The shale overlies <br />sandstones and other units of the Dakota Formation, and in turn is overlain <br />' by other sedimentary units. The erosionally-resistant rocks of the Dakota <br />Formation form a north-south trending ridge. The units dip locally at <br />' around 45 to 65 degrees east. <br />' Mining will begin on the southerly side of the site and advance in a <br />north-northwesterly direction. Mining will take place by using a D-8 <br />' dozer, or similar equipment, to rip the units to be mined. No blasting <br />will be required. As with other similar operations, the material will be <br />' mined in lifts to a depth of several feet. The product will then be pushed <br />' by a dozer into suitable material stockpiles for later transport away from <br />the site. A frontend loader will be used to load the product into standard <br />' haul trucks. <br />The adjacent units, which form the overburden above the clay, are also <br /> <br /> <br />