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8-21-1997 3:37P~~1 FROM ENG. WEST ELK F1INE 970 9295050 <br />t <br />~+ Civil Software Design - SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved <br />Company Name: MOUNTAIN COAL WEST ELK MINE <br />Filename: C:~SEDCAD31WS21 User CEJ <br />Date: OS-20-1997 Time: 12:36:48 <br />Waurshed 21 <br />Storm: 2.80 inches, 100 yeaz-24 hour, SCS Type II <br />Hydrograph Convolution Intertal: 0.1 hr <br />SUBWATERSHED/STRUCTURE INPUTIOUTPUT TABLE <br />-Hydrology- <br />Base Runoff Peak <br />JBS SWS Area CN UHS Tc K X Flow Volume Discharge <br />(ac) (hrs) (hrs) (cEs) (ac-ft) (cfs) <br />.~. <br />11 I 1 3.00 85 M 0.054 0.000 0.000 0.0 0.36 4.43 <br />11 L 2 2.86 72 M 0.044 0.000 0.000 0.0 0.16 2.21 <br />Type: Null Label: <br />111 Structure 5.86 0.52 <br /> <br /> <br />111 Total IN/OUT 5.86 <br />0.52 6.64 <br />P. 8 <br /> <br />