PERMFILE121348

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 9/27/2007
• Doc Name: Wolf Creek Pre-Law Area Remediation Plan
• Section_Exhibit Name: Tab 13 Attaachment 13-16
• Media Type: D
• Archive: No

SENECA If MINE
Wolf Creek Pre-Law Area
HYDROLOGIC INPUT PARAMETERS
SEDCAD 4
WATERSHED ID
Structure 1 -SWS1
Channel PL-1 Watershed
Watershed Area:
16.2
Curve Number:
VEGETATION HYDROLOGIC CURVE AREA
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Disturbed Area Bare Ground B 86 16.2
Total 16.2
CURVE NUMBER 86
Curve number (CN) values used are approved Seneca II Mine values (see Table 1). Values were
adapted from Urban Hydrology for Small Watersheds, Technical Release No. 55 (TR-55) , Soil
Conservation Service, 1986.
Old Wolf Creek
Remediation Plan Revised 06/07