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<br />Area <br />Above waste pile and <br />Mahogany Ledge <br />239 Acres <br />TABLE 1 <br />Drv Gulch Mineral Waste Disposal Pile Runoff <br />Relief <br />Hilly, average slopes <br />10 - 30% <br />(30) <br />Infiltration <br />Characteristics <br />Normal <br />(10) <br />C <br />Sum of <br />Vegetal Surface Characteristics <br />Cover Storage Expressed as % <br />Fair to good Negligible <br />Mountain browse (20) 70 <br />(10) <br />Below Mahogany Ledge Steep rugged terrain, No effective No effective <br />Exclusive of pile Average slopes above 30% Soil cover Plant cover <br />160 Acres (40) (20) (20) <br />Waste Pile "Hilly", Average High No effective <br />30 Acres Slopes 10 - 30% (5) Plant cover <br /> (30) (20) <br />Negligible <br />(20) <br />Negligible <br />(20) <br />TOTAL cfs <br /> <br />100 <br />75 <br />Q <br />cfs <br />167 <br />160 <br />22.5 <br /> <br />-12- <br />