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REV101481
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REV101481
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Entry Properties
Last modified
8/25/2016 1:12:00 AM
Creation date
11/22/2007 12:45:55 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Revision
Doc Date
8/1/1986
Doc Name
APPENDIX C EAST PYEATT HYDROLOGIC MODEL
Type & Sequence
HR4
Media Type
D
Archive
No
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<br />a <br />Y• <br />a <br />a <br />rn <br />Watershed Hydrology and Sedimentology Parameters <br />Watershed: East Pyeatt (2,2,1) <br />Area (acres) <br />Curve Numbet <br />Runoff (inches) <br />Runoff Volume (ac-ft) <br />Horizontal Distance <br />Vertical Distance <br />Slope (percent) <br />Time of~Concentration <br /> Active Topsoiied 1 Year 2+ Years <br />Undisturbed Mining b Seeded Growth Growth Total <br />Area Area Area Area Area Area <br />2.51 19.50 25.33 34.48 81.36 163.18 <br />47 87 86 80 67 77 <br />0.00 0.68 0.63 0.39 0.09 0.31 <br />0.00 1.10 1.33 1.12 0.61 4.16 <br />K Factor 0.25 0.14 0.25 <br />Lambda <br />Theta <br />LS Factor <br />C Factor 0.01 1.00 0.45 <br />P Factor 1.00 1.00 0.60 <br />CP Factor 0.01 I.00 0.27 <br />Unit Hydrograph and Surface Condition: Disturbed. <br />CRF/jb 8/86 <br />5204 <br />765 <br />14.70 <br />0.34 <br />0.25 0.25 0.24 <br /> 3283 <br /> 8.36 <br /> 14.12 <br />0.26 0.18 0.33 <br />0.60 0.60 0.65 <br />0.16 0.11 0.25 <br /> <br />
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