2008-12-04_PERMIT FILE - C1994082 ‎(10)‎

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/4/2008
• Doc Name: Pond 012 and Pond 012A Two-Pond System Design ‎(Pgs 13-12.1-149 to 13-12.1-225)‎
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.1 Part 2
• Media Type: D
• Archive: No

•
~/ Yoast Dine
Pond 012/012A Systt=m
HYD~f~LOGIC II~IPUT PAR,~,Ad1ETERS
SEDCAD 4
Channel YPM-7A
~d 1D -Structure 8 -
~dimentology: k factor
SOILS MAP UNIT/SOILS HYDROLOGIC SOIL k FACTOR
SERIES GROUP
_,_.__~ B 0.32
Weighted k Factor 0.32
13.11
13.1
Soils series information from Yoast Mine Permit Application Package (see Tab 9, Soil Baseline Study
[Nyenhuis, 1994]). Hydrologic Soil Group values are approved Yoast values (see Attachment 13-12, Table
13-12.2). The soil erodibility factor, "k-Factor", values are presented in Attachment 13-12, Table 13-12.2.

5edimentology: Control Factor ~_
LAND USE CONDITION COVER TYPE
Reclaimed Reclaimed
C Factor
.7
0.042
The Control Factor values are approved Yoast Mine values as presented in Attachment 13-12, Table 13-
12.3. The values were originally presented in Renard, et al. (1997) Pn:dicting Soil Erosion by Water. A
Guide to Converation Planning with the Revised Universal Soil Loss Equation (RUBLE), Agricultural
Handbook 703, U.S. Department of Agriculture as reported in Warner et al. (1998) as reported in Warner et
al. (1998).
13-12.1-186 Revised 08108
AREA
VEGETATION FACTOR (acres
60% ground cover 0.042 13.11
13.1
TR-37
SEDCAD 4
Channel YPM-7A
Watershed ID -Structure 8 - SWS2