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<br />Introduction <br />SECTION 2.05.3(3) <br />MINE FACILITIES <br />This section contains a description of the proposed structures to be used in connection with or <br />to facilitate the surface coal mining and reclamation activities at the New Horizon 2 mine area <br />described in Section 2.05.3, Operation Plan: Permit Area. <br />Proposed facilities previously approved for construction at the New Horizon 2 mine area and <br />facilities proposed for approval in this application are described in the following sections. <br />Construction of the proposed facilities is expected to begin in early 1993. In 1999, this section <br />was slightly revised for the addition of the amendment area. The designs of sediment ponds, <br />collection ditches, diversions, small area exemptions, culverts, haul roads and other facilities <br />associated with the 1999 amendment area are enclosed in Attachment 2.05.3(3)-10. The <br />culvert designs for the amendment area have been added to Section 2.05.3(3)-3. <br />Sediment and Water Control Facilities Plan <br />>+ Western Fuels-Colorado will use various types of structures to control the runoff from disturbed <br />areas within the permit boundaries at the New Horizon Mine. In addition, surface mining <br />activities will be planned and conducted to minimize disturbance of the prevailing hydrologic <br />balance in both the mine plan and adjacent areas in order to prevent long-term adverse <br />changes in the hydrologic balance. <br />Sediment control measures will include proper utilization of mining and reclamation methods <br />and sediment control practices singly or in combination. Sediment control methods may <br />include, but not be limited to the following: <br />1. Disturbing the smallest practicable area at any one time during the mining and <br />construction operation; <br />2. Stabilizing graded material to promote a reduction in the rate and volume of <br />runoff; <br />3, Retaining sediment within disturbed areas; <br />• <br />(REVISED 12100) <br />2.05.3(3) -1 <br />