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Civil Software Design -- SEDCAD+ Version 3.1 <br />• Copyright IC1 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: P&M Coal Mining Company <br />Filename: A:\WEST\RIDCE User: WMB <br />Date: t0-15-1992 Time: 14:25:13 <br />EDNA MINE WEST RIDGE PERMANENT IMPOUNDMENT <br />Storm: 2.04 inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />----------------------------- <br />----------------------------- <br />ELEVATION-DISCHARGE TABLE <br />----------------------------- <br />----------------------------- <br />J1, B1, S1 <br />WEST RIDGE <br />Drainage Area from J1, 81, S1, SWSis)1: 918.7 acres <br />Total Contributing Drainage Area: 918.7 acres <br /> Trickle Emergency Total <br /> Tube Spillway Discharge <br />Ele~-ation <br />---------- (cfs) <br />------------ (cfs) <br />--------------------------- (cfs) <br />----------------------------- <br />----------- <br />0.00 ----------- <br />0.0 --------------------------- <br />0.0 ----------------------------- <br />0.0 <br />1.00 0.0 0.0 0.0 <br />• <br />2.00 0.0 0.0 0.0 <br />3.00 0.0 0.0 0.0 <br />4.00 0.0 0.0 0.0 <br />5.00 0.0 0.0 0.0 <br />6.00 0.0 0.0 0.0 <br />7.00 0.0 0.0 0.0 <br />8.00 0.0 0.0 0.0 <br />9.00 0.0 0.0 0.0 <br />10.00 6.3 0.0 6.3 <br />11.00 17.8 0.0 17.8 <br />12.00 32.7 0.0 32.7 <br />12.60 41.6 28.3 70.0 <br />12.70 43.1 36.3 79.4 <br />12.80 44.6 47.1 91.8 <br />12.90 46.1 57.7 ]03.8 <br />13.00 47.6 70.4 117.9 <br />13.50 53.4 142.3 195.7 <br />14.00 59.2 235.1 291.2 <br />#Yi##iiY#########i#### #############i##i########i# #######i###i#####Yi########### <br />C <br />App. 4.6-N-9 <br />September 7, 1993 <br />