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

SCS CURVE NUMBER:
PROJECT: POND 006
STRUCTURE: J281S1SW2
Soil Curve Area CN'Area
Cover Type Group Number (acres)
Undisturbed B 51 6.7 341.7
Pd and Pre Striped C 91 1.6 145.6
opsoil Pile B 62 2.7 167.4
Reclaimed (1 to 3 yearn B 71 4.1 291.1
TOTAL: 15.1 945.
Weighted CN =Total CN'Area/ Total Area = 63
DRAINAGE BASIN AREA:
•
•
15.1 Acres
Page 1
may.