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~ <br />_ . _ -- <br />-- - - - - - <br />Watershed Hydrology and Sedimentology Parameters <br /> <br />Watershed: East Pyeatt (4,1,1) <br /> Active Topsoiled 1 Year 2+ Years <br /> Undisturbed Mining b Seeded Growth Growth Total <br /> Area Area Area Area Area Area <br />Area (acres) 28.58 0.00 0.00 0.00 29.04 57.62 <br />Curve Number 47 87 86 80 67 63 <br />Runoff (inches) 0.00 0.68 0.63 0.39 0.09 0.05 <br />Runoff Volume (ac-ft) 0.00 0.00 0.00 0.00 0.22 0.22 <br />Horizontal Distance 2876 <br />Vertical Distance 291 <br />Slope (percent) 10.12 <br />Time of~Concentration 0.37 <br />K Factor 0.25 0.14 0.25 0.25 0.25 0.25 <br />Lambda 2115 <br />Theta 5.78 <br />LS Factor 6.37 <br />C Factor 0.01 1.00 0.45 0.26 0.18 0.10 <br />P Factor 1.00 1.00 0.60 0.60 0.60 0.80 <br />CP Factor 0.01 1.00 0.27 0.16 0.11 0.06 <br />z <br />m <br />Y• <br />m <br />a <br />ou <br />rn <br />Unit Hydrograph and Surface Condition: Disturbed. <br />CRF/jb 8/86 <br />