2010-05-07_PERMIT FILE - C2009087A ‎(29)‎

• Permit No: C2009087A
• IBM Index Class Name: Permit File
• Doc Date: 5/7/2010
• Doc Name: 10 Year, 24 Hour SEDCAD Demonstration
• Section_Exhibit Name: Exhibit 2.05.3-E2 Appendix 2.05.3-E2.A Addendum 2.05.3-E2.A-1
• Media Type: D
• Archive: Yes

•
Peabody Sage Creek Mine
Pond 002 System
HYDROLOGIC INPUT PARAMETERS
Peabody Sage Creek Mine curve number (CN) values are based on CN values previously approved by CDRMS for the
Seneca II Mine, Permit C -80 -003. The CN values are presented in the Seneca II Mine PAP in Appendix 7 -12, Postiming
Drainage Control. Values are adapted from Urban Hydrology for Small Watersheds, Technical Release No. 55 (TR -55),
Soil Conservation Service, 1986.
2.05.3 -E2 -A -1.87
Prepared 12/09
SEDCAD4
WATERSHED ID
Structure 16 - SW81
Culvert SC -10
Watershed Area:
n/a
Curve Number:
HYDROLOGIC
CURVE
AREA
WATERSHED TYPE
GROUND COVER
SOIL GROUP
NUMBER
acres
n/a
n/a
n/a
n/a
n/a
Total
n/a
CURVE NUMBER
n/a
Peabody Sage Creek Mine curve number (CN) values are based on CN values previously approved by CDRMS for the
Seneca II Mine, Permit C -80 -003. The CN values are presented in the Seneca II Mine PAP in Appendix 7 -12, Postiming
Drainage Control. Values are adapted from Urban Hydrology for Small Watersheds, Technical Release No. 55 (TR -55),
Soil Conservation Service, 1986.
2.05.3 -E2 -A -1.87
Prepared 12/09