PERMFILE45602

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 2/28/2006
• Doc Name: Postmining Channels SEDCAD4 YPM-1 to YPM-6A
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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• Subwatershed Hydro%gy Detai/;

Stru SWS
# #
SWS Area
(ac) Time of
Conc
(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS Peak
Discharge
(cfs) Runoff
Volume
(ac-R
#1 1 L.500 O.D27 0.007 0.428 55.000 M 0.00 0.000
2 21.200 0.092 0.000 0.000 71.000 M 3.40 0.277
22.700 3.40 0.277
#2 1 3.400 0.021 0.046 0.417 51.000 M 0.00 0.000
2 14.900 0.062 0.000 0.000 71.000 M 2.39 0.195
41.000 5.80 0.472
Subwatershed Time of Concentration Detai/s;
•
Stru SWS land Flow Condition Slope (^/o) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (R) (R) (fps)
#1 1 3. Short grass pasture 26.25 105.00 400.00 4.090 0.027
#1 1 Time of Concentration: 0.027
5. Nearly bare and untitled, and
#1 2
alluvial valley fans 10.00 40.00 400.00 3.160 0.035
7. Paved area and small upland

gullies 16.39 150.00 915.00 6.150 0.031
8. r<3rge gullies, diversions, and low

flowing streams 16.09 185.00 1,150.00 12.030 0.026
#1 2 Time of Concentration: 0.092
#2 1 3. Short grass pasture 24.19 75.00 310.00 3.930 0.021
#2 1 Time of Concentration: 0.021
#2 2 5. Nearly bare and unfilled, and 23.75 95
00 400
00 4
670 0
022
alluvial valley fans . . . .
7. Paved area and small upland 26.67 20.00 75.00 10.390 0.002
gullies
8. Large gullies, diversions, and low

Flowing streams 7 73 90.00 1,165.00 8.330 0.038
#2 2 Time of Concentration: 0.062
Subwatershed Muskingum Routing Detai/s;
l J
Stru SWS land Flow Condition Slope (%) Vert. Dist. Horiz, Dist. Velocity Time (hrs)
# # (ft) (R) (fps)
#1 1 7. Paved area and small upland 24.44 55.00 225.00 9.950 0.006
gullies
8. large gullies, diversions, and low 12.50 5.00 40.00 10.600 0
001
Flowing streams .
#1 1 Muskingum K: 0.007
Filename: YPM-5.sc4 Printed 03-03-2005