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MINING PLAN (changed) <br />a portion of land mined in one section will need to be left unreclaimed to provide access to the next <br />mining section to the north, Area B. Similarly, a corridor must remain through Area B to access <br />Area C. <br />Although addressed in more detail in the Reclamation Plan (Exhibit E), in general, soil that <br />is not spread on mined out land will be stockpiled adjacent to the unreclaimed portions. Thus, it can <br />be easily distributed after use of that area is completed. <br />Unless the landowners decide otherwise, it is expected that at the end of the operation the <br />road corridors that connect Area A with B and C will be reclaimed. However, this option should be <br />left open as there are several good arguments for possibly leaving these roads at the end of the <br />operation. It largely depends upon what the land use is decided to be the after the end of the <br />operation. It is not inconceivable that Table Mountain could become a significant recreation area to <br />serve the Colorado Springs, Pueblo, and Canon City areas. In that case, leaving the roads might be <br />useful to the overall recreation plan. In fact, in recent years consideration was given to turning <br />Table Mountain into a recreation area, but that idea is currently on hold. <br />Deposit Structure (minor changes) <br />The deposit to be mined under this permit is a quartzite formed by metamorphism of a <br />portion of the Dakota Sandstone. This quartzite is about 25 to 30 feet thick and rests on top of non- <br />metamorphic to slightly metamorphic sandstone which is perhaps the lower portions of the Dakota <br />Sandstone or the upper portions of the next underlying formation. The normal sequence of bedding <br />of formations below the Dakota Sandstone occurs at deeper locations in Table Mountain. <br />No toxic or acid forming materials are known to occur in this quartzite and as the lower <br />formations are not to be extensively exposed in the mining, any materials present in those beds are <br />not of concern. The quartzite is very hard and generally glassy in texture. It exhibits a high silica <br />content (nearly 100%) with a small component of iron which renders the rock a light to deep red <br />color. The color and hardness of this rock makes it quite attractive for landscape uses. <br />There is no overburden on this deposit other than the soils. <br />Cr0$$-Sectioris (minor changes) <br />At the end of this exhibit are four cross-sections, the location of which are shown on various <br />maps in Exhibits C and F. These cross-sections show the existing topography, the estimated form <br />of the deposit, and the volume to be mined. The depth of mining indicated on these cross-sections is <br />set at 25 to 30 feet and that determines the reclamation topography. The lower line which is the <br />estimated reclamation topography is not necessarily the bottom of the quartzite deposit. Actually, <br />the bottom of the quartzite may be a few feet lower in elevation than the reclamation topography. <br />The reclamation topography approximately parallels the existing topography, but averages out some <br />the irregularities in the surface topography that are probably not reflected in the thickness of the <br />deposit to be mined. <br />Similar cross-sections will also be presented in the Reclamation Plan, Exhibit E. They will <br />more specifically show the reclamation topography. <br />Table Mountain Quarry -Castle Concrete Company Exhibit D (Amendment 1) Page 9 <br />