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`�aveer 12, 1979 <br /> 0437-102 <br /> • M -C'ON'T'I2dENT RESOURCES RiC. <br /> Coal Creek Mine Area <br /> Mines 3, 4, & 5 <br /> Sedimentation Pond Design Calculations <br /> 1. Ca"E L DATA. <br /> a.) Site Location <br /> Mffne Plate Nos. Section Townshi Range <br /> 3 3-1 & 3-2 SF%/Sec 8 75 89 W <br /> 4 - 4-1 & 4-2 NF,,/Sec_21 75 89 W <br /> 5 5-1 & 5-2 StA,/Sec 5 75 89 W <br /> b.) Drainage <br /> Total Pad <br /> • 1,3ne Creek Area,Acres <br /> 3 No. Fork- Dutch Creek 4.86 <br /> 4 W. Fork Dutch Creek 2.86 <br /> 5 Coal Creek 8.00 <br /> c.) Topography <br /> Elevation (Ft.) Slope <br /> Mine Max. Min. Elev. Diffs Length /o Ave. Disturbed Area <br /> 3-1 10260 10205 55 620' 9 2.29 Acres <br /> 3-2 10260 10200 60 400' 15 2.57 Acres <br /> 4-1 10180 10170 10 350' 2.9 1.99 Acres <br /> 4-1A 10180 10160 20 40' 50 .34 Acre <br /> 4-2 10180 10170 2 150' 2.0 .80 Acre <br /> 5-1 9640 01600 40 475' 8.4 2.84 Acres <br /> • 5-2 9000 9460 - 80Q' 15 5.16 Acres <br /> A-1 <br /> 54 <br />