2002-04-26_REVISION - M1983033 - Laserfiche WebLink

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Exhibit D MINING PLAN Unless specifically discussed below the methods described in the 198 and 1985 mining plans will remain unchanged. Existing sloping, grading and shaping plans will apply to the new area since they are similar to the area now in the permit. The exception to the plan is the north wall area that will be sloped 3h to lv as discussed in the following text. The expansion of the site shown on the maps accomplishes two things; 1, it increases the reserves in the mine and 2, allows us to develop the site so that it has a more natural appearance. Under the existing plan a "highwall" will be left on the north and east sides of the site that will be visible from offsite. Under the new plan the north "highwall" will be removed and leaving a slope that blends with the hillside above the site. The Existing Terrain view shown on page 13 shows approximately how the site looks now. Note the prevalent rock face being created by mining at this time. The Reclamation Terrain view shown on page 23 shows how the site will look when reclamation is complete and the mined slope blends with existing slopes higher on the hill. The exception is in the Frei Lake area where the slope rises nearly vertical to allow for the reservoir construc- tion. The following amendments to the mining plan are numbered sequentially to follow those submitted in 1985. Amendment # 4 -ACREAGE INCREASE This section describes the changes in area made to the permit. In 1997 an additional 600 plus acres was purchased by the Albert R & Mary Jane Frei Irrevocable Trust adjoining the existing mine on the north. This amendment adds 166.19 acres to the permit area as shown on the maps. The acreage shown on the Mining and Reclamation Timetables have been corrected based on a current survey. Stage A has been incorporated into Stage S since it is no longer used and has been reclaimed. 3