2011-04-06_REVISION - C2009087 ‎(4)‎

• Permit No: C2009087
• IBM Index Class Name: REVISION
• Doc Date: 4/6/2011
• Doc Name: Phase II Bond Release Application
• From: Peabody Sage Creek Mining, LLC
• To: DRMS
• Type & Sequence: SL1
• Email Name: JDM
• Media Type: D
• Archive: No

• SAGEBRUSH REFERENCE AREA (TABLE 6-3, APPENDIX 6)
ANNUAL DEDUCTION CALCULATION:
Total First Hit Vegetation Cover 71.10
Noxious Weed Cover 0.07
Total Minus Noxious 71.03
Allowable Annual Cover Limit X 0.1
Allowable Annual Cover 7.10
Actual Annual Cover (w/o noxious annuals) 1.13
Non-allowable Annual Cover (zero in
calculations below if positive) 6.0
ALLOWABLE FIRST-HIT COVER
CALCULATION
Total First Hit Vegetation Cover 71.10
Noxious Weed Cover - 0.07
Total Minus Noxious 71.03
Excess Non-allowable Annual Cover
Deduction - 0.0
Woody Plants - Not Allowed 26.3
Mean Allowable Cover 44.73
Standard Deviation of Mean Allowable Cover 8.83
Sample Size 15
Minimum Adequate Sample Size 8
•
PHASE II BOND RELEASE BLOCK (TABLE 6-1 , APPENDIX 6)
ANNUAL DEDUCTION CALCULATION:
Total First Hit Vegetation Cover 39.60
Noxious Weed Cover 0.44
Total Minus Noxious 39.16
Allowable Annual Cover Limit X 0.1
Allowable Annual Cover 3.92
Actual Annual Cover (w/o noxious annuals)
_
4.43
Non-allowable Annual Cover (zero in
calculations below if positive) -0.5
ALLOWABLE FIRST-HIT COVER
CALCULATION
Total First Hit Vegetation Cover 39.60
Noxious Weed Cover 0.44
Total Minus Noxious 39.16
Excess Non-allowable Annual Cover
Deduction 0.5
Woody Plants - Not Allowed 1.2
Mean Allowable Cover 37.45
Standard Deviation of Mean Allowable 14.23
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