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<br /> <br /> <br />4.0 Ore Sorter Transportation System <br />Referring to Figure 1.1-3 run rof -mine ore is delivered from the <br />mine mouth to the mine ore bin at the ore sorter using rocker-dump ore cars <br />nominally rated at 2.75 tons per car. These ore cars travel on 24 inch gauge <br />track from the ore hoist in the Schwartzwalder mine to a siding at the ore <br />sorter. After processing in the ore sorter, waste rock is conveyed (using <br />covered conveyors) to the sorter reject pile (waste stockpile), and ore is <br />conveyed to the ore pad. <br />Cotter Corporation employs a trucking contractor for are and waste <br />haulage. The sorter reject rock is hauled approximately 2200 feet ft•om the <br />ore sorter to the mine waste dump and mixed with the non-uranium bearing waste <br />rock from the Schwartzwalder mine. (See Figure 1.1-2) An average oi' about <br />• 2500 tons of sorter reject are transported to the waste dump per moni:h. At <br />the end of the life of the mine, the sorter reject rock will comprises 45-50% <br />of the total volume of the waste dump. (A reclamation plan for the Hraste dump <br />was submitted to and approved by the Colorado Mined Land Reclamation Board.) <br />The ore grade material is hauled approximately 3.8 miles from the ore pad at <br />the ore sorter to the ore shipment pad at an average rate of 3430 tons per <br />month. <br />The ore is transported from the storage pad to the mill throughout the <br />day and is rarely left on the pad for any length of time. This minimizes the <br />possibility of theft or leaching of the are by rain or snowfall. Material <br />balance records for the past 14 years show no theft has occurred. <br /> <br />