PERMFILE120404

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 6/1/2007
• Doc Name: Isolines of R Factor for Western U.S.
• From: 10 Year 24 Hour SEDCAD Demonstration
• Section_Exhibit Name: Tab 13 Attachment 13-3A Addendum 13-3A-1 & Addendum 13-3A-A
• Media Type: D
• Archive: Yes

YOAST MINE
Pond 10 -Watershed W-15
HYDROLOGIC INPUT PARAMETERS
SEDCAD 4
WATERSHED ID
Structure 7 - SWS1
Watershed W-15 (YPM-15)
Watershed Area:
13.0
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Aspen/Mountain Brush Good (>70%) C 41 7.12
Reclaimed Fair (30%<x<70%) B 71 2.57
Spoil Bare C 86 3.34
Total 13.0
CURVE NUMBER 58
SEDCAD 4
WATERSHED ID
Structure 7 - SWS1
Watershed W-15 (YPM-15)
Watershed Area:
12.9
Sedimentology
k Factor and Control Factor:
VEGETATION HYDROLOGIC k CONTROL AREA
WATERSHED TYPE COVER SOIL GROUP FACTOR FACTOR (acres)
Aspen/Mountain Brush Good (>70%) C 0.24 0.042 7.12
Reclaimed Fair (30%<x<70%) B 0.16 0.043 2.57
Spoil Bare C 0.16 1.0 3.34
Total 13.0
0.20 0.29
•
\J

TR-30 13-3A-A.24 Revised 11/06