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EXHIBIT D (Cont'd) <br />1 <br />and then in a southerly direction. Stage I is about three times <br />' as large as any other stage because it was necessary to include all <br />' of the limited impact permit land plus all land to the north that <br />is south of Robertson Ditch. Map Exhibit D-1 indicates the general <br />sequence and acreage in each stage. The contours on map Exhibit D-1 <br />are drawn to show conditions at approximately the mid-point of the <br />' life of the mine. Map Exhibit F shows the final contour. <br />During the mining operations a berm will be created along <br />most of the north perimeter and all of the east perimeter of the <br />affected land by leaving part of the area unmined. This berm will <br />screen from view most of the visual impact that might occur from <br />this excavation. The 25 to 30 acres maximum that might be disturbed <br />at any one time is certainly much less than that caused by some <br />recent residential and recreational developments. <br />An excavation line set back from the affected land lines, a <br />distance that will vary between approximately 125 feet and 250 feet, <br />will create the screening berm that will be from 35 feet to 60 feet <br />high. See map D-1, mining stage XIV through XVII, for location of <br />the berm. Also see the sketch below for the approximate cross- <br />section of the berm. <br />TO BE MINED IN <br />' STAGES I THRU XIII <br /> <br />1 <br />/ EXCAVATION <br />LINE <br />35' ~-60' <br />HERAf TO HE MINED IN <br />STAGES XIV THRU XVII I ROBERT~+ <br />DITCH G~ <br />FINAL LAND SURFACE <br />- 7 - FORK <br />RIVER <br />~- <br />