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<br /> <br /> <br />EXHIBIT D - MINING PLAN NARRATIVE (CONTINUED) <br />(Revised 03/21/95) <br />The excavation will proceed from south to north and east to west in <br />the phases as shown on the accompanying MINING PLAN MAP, EXHIBIT C- <br />2. Except for installation of the slurry wall, no excavation shall <br />occur within 25' from adjacent property lines. <br />Some areas, as is explained in the next paragraph, will have <br />special setback requirements for any excavation. Except for those <br />areas mentioned in the next paragraph, mining from the minimum 25' <br />setback requirement may be undertaken vertically. After mining for <br />reclamation, all slopes shall be no steeper than a ratio of 3:1 <br />slope. <br />Special setback, sloping, and mining requirements shall apply in <br />following areas: <br />1. Along Monaco Street and 88th Avenue, and within 200' of any <br />adjacent man made structure, no vertical mining will be <br />allowed from the 25' setback line. A temporary 1:1 mining <br />slope shall be allowed, provided any slope within 200' of the <br />man made structure is immediately backfilled to the previously <br />mentioned above standard after mining has been completed in <br />these areas. <br />2. Along the Wyco pipeline, no mining shall occur closer than 50' <br />on either side of the centerline of the pipeline. Even <br />temporary sloping shall not be steeper than 3:1. <br />3. From the center of the Bull Seep Ditch, no excavation shall <br />occur closer than 50' on either side of centerline of the <br />Ditch. Even temporary sloping shall not be steeper than 3:1. <br />4 <br />All mining, including sloping, final elevations, improvements, <br />etc. within the "Area 2A - South Platte River & Berm Area" <br />shall be subject to approval of the UD&FCD. Improvements in <br />the channel area will be installed prior to any mining <br />occurring within this area, and no mining and/or the <br />