PERMFILE138205

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 5/1/2003
• Doc Name: Sediment Pond SEDCAD Results
• Section_Exhibit Name: Tab 13 Attachment 13-5B Appendix 1
• Media Type: D
• Archive: Yes

HYDROLOGIC INPUT PARAMETERS
WATERSHED ID:
SENECA II Wesl Coal Mine
Areo 4 Pontl 17
Watershed Area: sEDCPD4
WAIERSVED ID
90.3 acres
s3 srrz
Curve Number.
WA7ERSF4:0
TYPE VEGE(A7K)N
COVER FtrONLOGK:
SOIL GROUP CURVE
NUMOER ARE/i
(acres)
Aspen/Manram &lah Gooo'(>70%) B 30 14.9
Aspen/Manfdn &ran Gootl (>7(K6) C 41 p4.)
Sopebrsa~ Goon (>70%) 0 55 6.3
WEIGHED CIANE M1t.A3ER: 40
Soil ErodiWAh Faaror (q:
SOIL ERODIBIIRV fAC90R
SOIL
7yPE AREA
(acre) K
FACTOR N'AREA
Aobero Cloy 90.3 0.28 25.284
WeiDMea KFOCtar 0.28
Control Practice Faeror.
cor4raa vRArncE fAaoR
COMM)L FRAC7ICE AREA C C'PREA P pgREq
CONDITION (ocres) FACTOR FACTOR
Aylen/Mantoh Stwb 83.1 0.042 3.490 1 B3.IOD
Sapebrusn 7.2 0.042 0.302 7 7.200
WeIDNtea C FacYOr: 0.042
WelDntetl P Factor. 1.000
r