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

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YOAST POSTMINE CHANNEL 3-2
HYDROLOGIC INPUT PARAMETERS
SEDCAD 4
WATERSHED ID
Structure 3 - SWS7
Watershed Area:
0.9 acres
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Fair
Mesic Drainage (30%<x<70%) C 81 0.07
Aspen/Mountain Brush Good (>70%) D 48 0.85
Total 0.92
CURVE NUMBER 51
SEDCAD 4
WATERSHED ID
Structure 3 - SWS2
Watershed Area:
12.2
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Reclaimed Fair B 71 12.2
Total 12.2
CURVE NUMBER 71
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