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2010-06-01_REVISION - C1981019 (5)
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2010-06-01_REVISION - C1981019 (5)
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Last modified
8/24/2016 4:12:37 PM
Creation date
8/18/2010 1:12:58 PM
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
REVISION
Doc Date
6/1/2010
Doc Name
Exhibit 5 2006, 2007, 2008 & 2009 Phase II Vegetation Reports
From
Colowyo Coal Company
To
DRMS
Type & Sequence
SL4
Email Name
JRS
SB1
Media Type
D
Archive
No
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4.0 CONCLUSIONS <br />Chart 1 exhibits the results from a direct comparison made between the Phase II Bond Release and <br />reference areas. Perennial cover for the Phase II Bond Release Area, Mountain Shrub and Sagebrush <br />Reference Areas were 58.3 %, 51.4 %, and 42.0 %, respectively. The weighted perennial cover value <br />from the two reference areas is 47.12% (Mountain Shrub and Sagebrush Reference Areas weighted 55% <br />and 45 %, respectively). Finally, the success criterion is 90% of the weighted reference area value or <br />42.4 %. Therefore the Phase II Bond Release Area (58.3 %) is 138% greater than the <br />success criterion (42.4%) resulting in the conclusion that the sampled Phase II area readily <br />passes the ground cover requirement for Phase II Bond Release. <br />Colowyo Mine 19 Phase II Bond Release - 2007 <br />
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