PERMFILE51112

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: SEDIMENTATION STRUCTURE 006 AND PRE SETTLING BASIN PHASE IV DESIGN
• Section_Exhibit Name: TAB 13 ATTACHMENT 13-4C
• Media Type: D
• Archive: No

SENECA II-W MINE
• CALCULATED HYDROLOGIC DATA
PROJECT: POND 006
STRUCTURE:J181S2SW4
SCS CURVE NUMBER:
Soil Curve Area CN'Area
Cover Type Group Number (acres)
Undisturbed 8 51 16.7 851.7
Reclaimed (1 to 3 years) B 71 21.5 1526.5
Spoil B 86 16.9 1625.4
opsoil Pile B 62 1.5 93
TOTAL: 58.6 4096.
Weighted CN = Total CN'Area/ Total Area = 70
DRAINAGE BASINAREA:
• 58.6 Acres
J
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