PERMFILE62362

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/15/2006
• Doc Name: Postmining Channels SEDCAD Results YPM 1-8
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3
• Media Type: D
• Archive: Yes

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YOAST POSTMINE CHANNEL 6-2
HYDROLOGIC INPUT PARAMETERS
SEDCAD 4
WATERSHED ID
YPM-6-2 - SW S1
Watershed Area:
4.0 acres
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER acres
AspeNMountain Brush Good (>70%) D 48 4.00
Total 4.00
CURVE NUMBER 48
SEDCAD 4
WATERSHED ID
YPM-6-2 - SW S2
Watershed Area:
47.2 acres
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER acres
Reclaimed Fair B 71 47.23
Total 47.23
CURVE NUMBER 71
SEDCAD 4
WATERSHED ID
YPM-6-2 - SWS3
Watershed Area:
2.0 acres
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres
Sagebrush Good (>70%) D 55 2.00
Total 2.00
CURVE NUMBER 55
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